#0B3819 Color
#0B3819 is rgb(11, 56, 25) in RGB, hsl(139, 67%, 13%) in HSL, and about cmyk(80%, 0%, 55%, 78%) in CMYK. It has no registered color name of its own — the closest is British Racing Green (#004225), clearly related but distinguishable side by side at ΔE 6.15. White text is the more readable choice on this background.
#0B3819rgb(11, 56, 25)hsl(139, 67%, 13%)hsv(139, 80%, 22%)cmyk(80%, 0%, 55%, 78%)oklch(30.2% 0.073 149.7)lab(19.92% -21.98 14.75)lch(19.92% 26.47 146.13)What #0B3819 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #0B3819, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every green in the library.
#0B3819 Channel Values
How #0B3819 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 11 · G 56 · B 25 | 8-bit channels as sent to the display |
| HSL | H 139° · S 67% · L 13% | Easiest model for building lighter and darker variants |
| HSV | H 139° · S 80% · V 22% | Matches the picker in most design tools |
| CMYK | C 80% · M 0% · Y 55% · K 78% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 13.17:1 vs white · 1.59:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #0B3819 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #0B3819 in the contrast checker.
Colors That Go With #0B3819
Pairings derived from color-wheel relationships. The complementary color sits opposite #0B3819; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #0B3819
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #0B3819.
How #0B3819 Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#0B3819#333319#283519#2E2E1B#24321A#143535#11362C#303030Using #0B3819 in Code
Copy-ready declarations for the places this color usually ends up.
--color-0b3819: #0B3819;background-color: #0B3819;colors: { 'color-0b3819': '#0B3819' }Color(red: 0.043, green: 0.220, blue: 0.098)<color name="color_0b3819">#0B3819</color>fill="#0B3819"More Green Colors
#0B3819 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#0B3819 Frequently Asked Questions
What color is #0B3819?
#0B3819 is a darkest green — rgb(11, 56, 25) in RGB and hsl(139, 67%, 13%) in HSL. It carries no registered color name of its own; the closest named color is British Racing Green (#004225), which is clearly related but distinguishable side by side at a CIE76 distance of 6.15.
What is the RGB value of #0B3819?
#0B3819 is rgb(11, 56, 25) — red 11, green 56, and blue 25 on the 0-255 scale.
What is the CMYK value of #0B3819?
#0B3819 converts to approximately cmyk(80%, 0%, 55%, 78%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #0B3819 be black or white?
White text is the more readable choice. #0B3819 scores 13.17:1 against white and 1.59:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #0B3819 as a CSS color keyword?
No. #0B3819 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is darkslategray (#2F4F4F) at a CIE76 distance of 23.87, which is visibly different.
Open #0B3819 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.