Color #0D3144 Color / Colour Code #0D3144
This page shows the hex color code for color #0d3144 (#0D3144). The colour is a blue tone with 68% saturation and 16% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #0D3144 against common backgrounds.
Complementary Colors
#0D3144 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 171, 201, and 231 degrees for harmonious combinations.
Triadic Palette
Three colors at 201, 321, and 81 degrees.
Color Palettes Using #0D3144
Five shades at lightness levels 15% through 85% while keeping hue at 201 and saturation at 68%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 201 to 246 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.
Combines the base color at hue 201 with its complement at 21 and two adjacent cool tones. This split-complementary approach provides strong visual contrast while remaining more balanced than a pure complementary scheme.
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.
Shades & Tints of #0D3144
Lightness variations at hue 201 and 68% saturation.
CSS Gradients with #0D3144
Design Use Cases for #0D3144
Vibrant Brand Color
#0D3144 has a strong 68% 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.
Deep Accent & Text Color
#0D3144 at 16% 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
#0D3144 sits in the blue range (hue 201). 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 #0D3144 (hue 201) to its complement at hue 21. For a subtler effect, try pairing with an analogous color at hue 231. Use CSS: background: linear-gradient(135deg, #0d3144, #45200d);
CSS Code for #0D3144
Similar Colors
Colors visually similar to #0D3144 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #0D3144 across image editing and color design tools.
About Color #0D3144 (#0D3144)
#0D3144 is a blue color (colour) with RGB channel values of 13 red, 49 green, and 68 blue. The blue channel is dominant by a ratio of 5.2:1 over the weakest channel. In HSL terms, the hue sits at 201 degrees with 68% saturation and 16% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #0D3144 is 40/255 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 81% cyan, 28% magenta, 0% yellow, and 73% key (black).
The WCAG contrast ratio of #0D3144 against white is 13.64:1 and against black is 1.54:1. 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 #45200D creates maximum visual tension when paired with #0D3144. For more harmonious color combinations, use the analogous colours #0D453C and #0D1545, 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 #0D3144
- Enter your color value in HEX format.
- The tool converts it to RGB, HSL, CMYK format in real time.
- Copy the converted value to your clipboard.
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 #0D3144?
- #0D3144 is Color #0D3144, a blue color (colour) with RGB(13, 49, 68), HSL(201, 68%, 16%), and CMYK(81%, 28%, 0%, 73%). Its perceived brightness is 40/255.
- Is #0D3144 accessible for text?
- Against white, #0D3144 has a contrast ratio of 13.64:1 (passes AA for normal text). Against black, it has 1.54:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #0D3144?
- The complementary colour is #45200D (hue 21). For subtle color combinations, use analogous colours #0D453C and #0D1545. The triadic palette adds #450D31 and #31450D for vibrant variety.
- How do I use #0D3144 in CSS?
- Use any format: color: #0d3144; or rgb(13, 49, 68); or hsl(201, 68%, 16%). For CSS custom properties: --color-primary: 201 68% 16%; 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.