Color #33374D Color / Colour Code #33374D

    This page shows the hex color code for color #33374d (#33374D). The colour is a blue tone with 20% saturation and 25% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.

    #33374D

    Color Conversions

    HEX
    #33374D
    RGB
    rgb(51, 55, 77)
    HSL
    hsl(231, 20%, 25%)
    HSV
    hsv(231, 34%, 30%)
    CMYK
    cmyk(34%, 29%, 0%, 70%)

    Accessibility Contrast

    WCAG contrast ratios for #33374D against common backgrounds.

    Sample Text
    vs White (#FFFFFF)
    11.70:1
    AA PassAA Large PassAAA Pass
    Sample Text
    vs Black (#000000)
    1.79:1
    AA FailAA Large FailAAA Fail
    Sample Text
    vs Light Gray (#EEEEEE)
    10.09:1
    AA PassAA Large PassAAA Pass

    Complementary Colors

    #33374D paired with its color wheel opposite for maximum contrast.

    Analogous Colors

    Hues at 201, 231, and 261 degrees for harmonious combinations.

    Triadic Palette

    Three colors at 231, 351, and 111 degrees.

    Color Palettes Using #33374D

    Monochromatic Scale

    Five shades at lightness levels 15% through 85% while keeping hue at 231 and saturation at 20%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.

    #1F212E #3D425C #666E99 #A3A8C2 #D1D3E0
    Warm Harmony

    Adjacent hues from 231 to 276 degrees create a warm, unified palette. This analogous scheme works for marketing materials, seasonal campaigns, and any design that needs visual warmth without clashing colors.

    #757CA3 #7A75A3 #8575A3 #9175A3
    Cool Contrast

    Combines the base color at hue 231 with its complement at 51 and two adjacent cool tones. This split-complementary approach provides strong visual contrast while remaining more balanced than a pure complementary scheme.

    #666E99 #999166 #879966 #6E9966
    Pastel Variation

    Five evenly spaced hues at 40% saturation and 80% lightness. Pastels are gentle on the eyes and work well for dashboards, onboarding screens, category tags, and any interface where multiple distinct colors are needed without visual aggression.

    #B8BEE0 #DAB8E0 #E0B8BE #E0DAB8 #BEE0B8

    Shades & Tints of #33374D

    Lightness variations at hue 231 and 20% saturation.

    CSS Gradients with #33374D

    Blue to Yellow
    linear-gradient(135deg, #33374d, #4d4933)
    Analogous Fade
    linear-gradient(90deg, #33374d, #3c334d)
    Deep to Light
    linear-gradient(180deg, #252737, #c8cbda)
    Tricolor Sweep
    linear-gradient(135deg, #33374d, #4d3337, #374d33)

    Design Use Cases for #33374D

    Muted Accent Color

    With 20% saturation, #33374D has a subtle, sophisticated quality. This level of desaturation works well for secondary buttons, inactive states, subtle borders, and backgrounds that need a hint of color without being distracting. Muted colors communicate restraint and professionalism.

    Deep Accent & Text Color

    #33374D at 25% lightness is dark enough for readable body text on light backgrounds while retaining its blue character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.

    Trust & Professional Identity

    #33374D sits in the blue range (hue 231). Blue is the world's most popular color for corporate identities because it conveys trust, stability, and competence. Use it for navigation bars, link text, form focus states, and any element where user confidence matters. Financial, healthcare, and technology brands rely heavily on this hue range.

    Gradient Pairing

    Create a gradient from #33374D (hue 231) to its complement at hue 51. For a subtler effect, try pairing with an analogous color at hue 261. Use CSS: background: linear-gradient(135deg, #33374d, #4d4933);

    CSS Code for #33374D

    /* Background */
    background-color: #33374d;
    background-color: rgb(51, 55, 77);
    background-color: hsl(231, 20%, 25%);
    /* Text */
    color: #33374d;
    /* Border */
    border: 2px solid #33374d;
    /* Shadow */
    box-shadow: 0 4px 14px rgba(51, 55, 77, 0.3);
    /* CSS Variable */
    --color-primary: 231 20% 25%;

    Similar Colors

    Colors visually similar to #33374D based on RGB, lightness, and hue variations.

    Use This Color in Design Tools

    Apply #33374D across image editing and color design tools.

    About Color #33374D (#33374D)

    #33374D is a blue color (colour) with RGB channel values of 51 red, 55 green, and 77 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 231 degrees with 20% saturation and 25% lightness, placing it in the cool range of the colour spectrum.

    The perceived brightness of #33374D is 56/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This appears dark to the human eye, so pair it with light text for adequate readability. For print production, the CMYK equivalent is 34% cyan, 29% magenta, 0% yellow, and 70% key (black).

    The WCAG contrast ratio of #33374D against white is 11.70:1 and against black is 1.79:1. This exceeds the AAA requirement (7:1) for normal text on white, making it excellent for body text and small UI labels on light backgrounds.

    The complementary colour #4D4933 creates maximum visual tension when paired with #33374D. For more harmonious color combinations, use the analogous colours #33444D and #3C334D, which sit 30 degrees on either side of the hue wheel. To build a complete design system, start with the monochromatic scale above for consistent shade variations, then add one complementary or triadic accent for interactive elements.

    How to Explore Color #33374D

    1. Enter your color value in HEX format.
    2. The tool converts it to RGB, HSL, CMYK format in real time.
    3. Copy the converted value to your clipboard.

    Color Converter · Contrast Checker

    What is HEX to RGB, HSL, CMYK color conversion

    Converting from HEX to RGB, HSL, CMYK translates a color value between two different color models. Different color models are used in web design (HEX, RGB), print (CMYK), and color theory (HSL, HSV).

    Related Tools & Colors

    Frequently Asked Questions

    What color / colour is #33374D?
    #33374D is Color #33374D, a blue color (colour) with RGB(51, 55, 77), HSL(231, 20%, 25%), and CMYK(34%, 29%, 0%, 70%). Its perceived brightness is 56/255.
    Is #33374D accessible for text?
    Against white, #33374D has a contrast ratio of 11.70:1 (passes AA for normal text). Against black, it has 1.79:1 (fails AA). Use the contrast checker tool for custom background pairings.
    What colours pair well with #33374D?
    The complementary colour is #4D4933 (hue 51). For subtle color combinations, use analogous colours #33444D and #3C334D. The triadic palette adds #4D3337 and #374D33 for vibrant variety.
    How do I use #33374D in CSS?
    Use any format: color: #33374d; or rgb(51, 55, 77); or hsl(231, 20%, 25%). For CSS custom properties: --color-primary: 231 20% 25%; then use it as hsl(var(--color-primary)).
    Is this color / colour explorer free?
    Yes, completely free with no signup required. All colour calculations run in your browser. You can explore any valid hex color code, not just the pre-generated palette.