Color #1CBBBB Color / Colour Code #1CBBBB

    This page shows the hex color code for color #1cbbbb (#1CBBBB). The colour is a cyan tone with 74% saturation and 42% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.

    #1CBBBB

    Color Conversions

    HEX
    #1CBBBB
    RGB
    rgb(28, 187, 187)
    HSL
    hsl(180, 74%, 42%)
    HSV
    hsv(180, 85%, 73%)
    CMYK
    cmyk(85%, 0%, 0%, 27%)

    Accessibility Contrast

    WCAG contrast ratios for #1CBBBB against common backgrounds.

    Sample Text
    vs White (#FFFFFF)
    2.37:1
    AA FailAA Large FailAAA Fail
    Sample Text
    vs Black (#000000)
    8.88:1
    AA PassAA Large PassAAA Pass
    Sample Text
    vs Light Gray (#EEEEEE)
    2.04:1
    AA FailAA Large FailAAA Fail

    Complementary Colors

    #1CBBBB paired with its color wheel opposite for maximum contrast.

    Analogous Colors

    Hues at 150, 180, and 210 degrees for harmonious combinations.

    Triadic Palette

    Three colors at 180, 300, and 60 degrees.

    Color Palettes Using #1CBBBB

    Monochromatic Scale

    Five shades at lightness levels 15% through 85% while keeping hue at 180 and saturation at 74%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.

    #0A4343 #148585 #21DEDE #7AEBEB #BCF5F5
    Warm Harmony

    Adjacent hues from 180 to 225 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.

    #37E1E1 #37B7E1 #378CE1 #3762E1
    Cool Contrast

    Combines the base color at hue 180 with its complement at 0 and two adjacent cool tones. This split-complementary approach provides strong visual contrast while remaining more balanced than a pure complementary scheme.

    #26D9D9 #D92626 #D97F26 #D9D926
    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.

    #B8E0E0 #B8B8E0 #E0B8E0 #E0B8B8 #E0E0B8

    Shades & Tints of #1CBBBB

    Lightness variations at hue 180 and 74% saturation.

    CSS Gradients with #1CBBBB

    Cyan to Red
    linear-gradient(135deg, #1cbbbb, #ba1c1c)
    Analogous Fade
    linear-gradient(90deg, #1cbbbb, #1c6bba)
    Deep to Light
    linear-gradient(180deg, #0c5050, #aff3f3)
    Tricolor Sweep
    linear-gradient(135deg, #1cbaba, #ba1cba, #baba1c)

    Design Use Cases for #1CBBBB

    Vibrant Brand Color

    #1CBBBB has a strong 74% saturation that makes it ideal for brand identity elements. Use it for logos, primary call-to-action buttons, hero section accents, and marketing materials where visual impact matters. This saturation level is eye-catching without being harsh.

    Primary Interface Color

    At 42% lightness, #1CBBBB is in the mid-range, making it ideal for interactive elements like buttons, links, and selected states. This lightness level ensures good contrast against both light and dark adjacent elements in most layouts.

    Clarity & Technology

    #1CBBBB is in the cyan spectrum (hue 180). Cyan evokes technology, clarity, and innovation. It works well for tech product interfaces, data visualization accents, loading indicators, and futuristic design themes. Cyan provides a modern alternative to traditional blues.

    Gradient Pairing

    Create a gradient from #1CBBBB (hue 180) to its complement at hue 0. For a subtler effect, try pairing with an analogous color at hue 210. Use CSS: background: linear-gradient(135deg, #1cbbbb, #ba1c1c);

    CSS Code for #1CBBBB

    /* Background */
    background-color: #1cbbbb;
    background-color: rgb(28, 187, 187);
    background-color: hsl(180, 74%, 42%);
    /* Text */
    color: #1cbbbb;
    /* Border */
    border: 2px solid #1cbbbb;
    /* Shadow */
    box-shadow: 0 4px 14px rgba(28, 187, 187, 0.3);
    /* CSS Variable */
    --color-primary: 180 74% 42%;

    Similar Colors

    Colors visually similar to #1CBBBB based on RGB, lightness, and hue variations.

    Use This Color in Design Tools

    Apply #1CBBBB across image editing and color design tools.

    About Color #1CBBBB (#1CBBBB)

    #1CBBBB is a cyan color (colour) with RGB channel values of 28 red, 187 green, and 187 blue. The green channel is dominant by a ratio of 6.7:1 over the weakest channel. In HSL terms, the hue sits at 180 degrees with 74% saturation and 42% lightness, placing it in the cool range of the colour spectrum.

    The perceived brightness of #1CBBBB is 139/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This is a medium-brightness color that can work with either dark or light text depending on font weight and size. For print production, the CMYK equivalent is 85% cyan, 0% magenta, 0% yellow, and 27% key (black).

    The WCAG contrast ratio of #1CBBBB against white is 2.37:1 and against black is 8.88:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 8.88:1, or use it exclusively for decorative purposes.

    The complementary colour #BA1C1C creates maximum visual tension when paired with #1CBBBB. For more harmonious color combinations, use the analogous colours #1CBA6B and #1C6BBA, 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 #1CBBBB

    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 #1CBBBB?
    #1CBBBB is Color #1CBBBB, a cyan color (colour) with RGB(28, 187, 187), HSL(180, 74%, 42%), and CMYK(85%, 0%, 0%, 27%). Its perceived brightness is 139/255.
    Is #1CBBBB accessible for text?
    Against white, #1CBBBB has a contrast ratio of 2.37:1 (fails AA for normal text). Against black, it has 8.88:1 (passes AA). Use the contrast checker tool for custom background pairings.
    What colours pair well with #1CBBBB?
    The complementary colour is #BA1C1C (hue 0). For subtle color combinations, use analogous colours #1CBA6B and #1C6BBA. The triadic palette adds #BA1CBA and #BABA1C for vibrant variety.
    How do I use #1CBBBB in CSS?
    Use any format: color: #1cbbbb; or rgb(28, 187, 187); or hsl(180, 74%, 42%). For CSS custom properties: --color-primary: 180 74% 42%; 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.