Color #0D2631 Color / Colour Code #0D2631
This page shows the hex color code for color #0d2631 (#0D2631). The colour is a blue tone with 58% saturation and 12% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #0D2631 against common backgrounds.
Complementary Colors
#0D2631 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 168, 198, and 228 degrees for harmonious combinations.
Triadic Palette
Three colors at 198, 318, and 78 degrees.
Color Palettes Using #0D2631
Five shades at lightness levels 15% through 85% while keeping hue at 198 and saturation at 58%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 198 to 243 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 198 with its complement at 18 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 #0D2631
Lightness variations at hue 198 and 58% saturation.
CSS Gradients with #0D2631
Design Use Cases for #0D2631
Balanced UI Color
At 58% saturation, #0D2631 strikes a balance between vibrancy and restraint. This makes it versatile for primary UI elements like navigation bars, card headers, and form accents. It draws attention without overwhelming adjacent content.
Dark Mode Background
At just 12% lightness, #0D2631 works as a dark mode background or overlay color. Dark backgrounds reduce eye strain in low-light environments and make bright accent colors pop. Pair with light text (minimum 4.5:1 contrast ratio) for readability.
Trust & Professional Identity
#0D2631 sits in the blue range (hue 198). 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 #0D2631 (hue 198) to its complement at hue 18. For a subtler effect, try pairing with an analogous color at hue 228. Use CSS: background: linear-gradient(135deg, #0d2631, #30180d);
CSS Code for #0D2631
Similar Colors
Colors visually similar to #0D2631 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #0D2631 across image editing and color design tools.
About Color #0D2631 (#0D2631)
#0D2631 is a blue color (colour) with RGB channel values of 13 red, 38 green, and 49 blue. The blue channel is dominant by a ratio of 3.8:1 over the weakest channel. In HSL terms, the hue sits at 198 degrees with 58% saturation and 12% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #0D2631 is 32/255 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 73% cyan, 22% magenta, 0% yellow, and 81% key (black).
The WCAG contrast ratio of #0D2631 against white is 15.69:1 and against black is 1.34:1. 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 #30180D creates maximum visual tension when paired with #0D2631. For more harmonious color combinations, use the analogous colours #0D3029 and #0D1430, 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 #0D2631
- 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 #0D2631?
- #0D2631 is Color #0D2631, a blue color (colour) with RGB(13, 38, 49), HSL(198, 58%, 12%), and CMYK(73%, 22%, 0%, 81%). Its perceived brightness is 32/255.
- Is #0D2631 accessible for text?
- Against white, #0D2631 has a contrast ratio of 15.69:1 (passes AA for normal text). Against black, it has 1.34:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #0D2631?
- The complementary colour is #30180D (hue 18). For subtle color combinations, use analogous colours #0D3029 and #0D1430. The triadic palette adds #300D26 and #26300D for vibrant variety.
- How do I use #0D2631 in CSS?
- Use any format: color: #0d2631; or rgb(13, 38, 49); or hsl(198, 58%, 12%). For CSS custom properties: --color-primary: 198 58% 12%; 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.