#0B0915 Color
#0B0915 is rgb(11, 9, 21) in RGB, hsl(250, 40%, 6%) in HSL, and about cmyk(48%, 57%, 0%, 92%) in CMYK. It has no registered color name of its own — the closest is Rich Black (#010B13), very hard to tell apart at ΔE 3.92. White text is the more readable choice on this background.
#0B0915rgb(11, 9, 21)hsl(250, 40%, 6%)hsv(250, 57%, 8%)cmyk(48%, 57%, 0%, 92%)oklch(14.9% 0.026 290.7)lab(2.85% 2.18 -5.78)lch(2.85% 6.18 290.66)What #0B0915 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 #0B0915, 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 blue in the library.
#0B0915 Channel Values
How #0B0915 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 9 · B 21 | 8-bit channels as sent to the display |
| HSL | H 250° · S 40% · L 6% | Easiest model for building lighter and darker variants |
| HSV | H 250° · S 57% · V 8% | Matches the picker in most design tools |
| CMYK | C 48% · M 57% · Y 0% · K 92% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 19.73:1 vs white · 1.06:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #0B0915 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 #0B0915 in the contrast checker.
Colors That Go With #0B0915
Pairings derived from color-wheel relationships. The complementary color sits opposite #0B0915; 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 #0B0915
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 #0B0915.
How #0B0915 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.
#0B0915#090915#0A0915#0A0A15#0A0915#090B0B#0A0A10#0B0B0BUsing #0B0915 in Code
Copy-ready declarations for the places this color usually ends up.
--color-0b0915: #0B0915;background-color: #0B0915;colors: { 'color-0b0915': '#0B0915' }Color(red: 0.043, green: 0.035, blue: 0.082)<color name="color_0b0915">#0B0915</color>fill="#0B0915"More Blue Colors
#0B0915 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#0B0915 Frequently Asked Questions
What color is #0B0915?
#0B0915 is a darkest blue — rgb(11, 9, 21) in RGB and hsl(250, 40%, 6%) in HSL. It carries no registered color name of its own; the closest named color is Rich Black (#010B13), which is very hard to tell apart at a CIE76 distance of 3.92.
What is the RGB value of #0B0915?
#0B0915 is rgb(11, 9, 21) — red 11, green 9, and blue 21 on the 0-255 scale.
What is the CMYK value of #0B0915?
#0B0915 converts to approximately cmyk(48%, 57%, 0%, 92%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #0B0915 be black or white?
White text is the more readable choice. #0B0915 scores 19.73:1 against white and 1.06:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #0B0915 as a CSS color keyword?
No. #0B0915 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 black (#000000) at a CIE76 distance of 6.8, which is clearly related but distinguishable side by side.
Open #0B0915 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.