#09090B Color
#09090B is rgb(9, 9, 11) in RGB, hsl(240, 10%, 4%) in HSL, and about cmyk(18%, 18%, 0%, 96%) in CMYK. It has no registered color name of its own — the closest is Jet Black (#0A0A0A), indistinguishable to the eye at ΔE 0.83. White text is the more readable choice on this background.
#09090Brgb(9, 9, 11)hsl(240, 10%, 4%)hsv(240, 18%, 4%)cmyk(18%, 18%, 0%, 96%)oklch(14.1% 0.004 285.8)lab(2.50% 0.21 -0.77)lch(2.50% 0.80 285.25)What #09090B 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 #09090B, 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.
#09090B Channel Values
How #09090B 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 9 · G 9 · B 11 | 8-bit channels as sent to the display |
| HSL | H 240° · S 10% · L 4% | Easiest model for building lighter and darker variants |
| HSV | H 240° · S 18% · V 4% | Matches the picker in most design tools |
| CMYK | C 18% · M 18% · Y 0% · K 96% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 19.9:1 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 #09090B 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 #09090B in the contrast checker.
Colors That Go With #09090B
Pairings derived from color-wheel relationships. The complementary color sits opposite #09090B; 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 #09090B
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 #09090B.
How #09090B 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.
#09090B#09090B#09090B#09090B#09090B#090909#09090A#090909Using #09090B in Code
Copy-ready declarations for the places this color usually ends up.
--color-09090b: #09090B;background-color: #09090B;colors: { 'color-09090b': '#09090B' }Color(red: 0.035, green: 0.035, blue: 0.043)<color name="color_09090b">#09090B</color>fill="#09090B"More Blue Colors
#09090B sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#09090B Frequently Asked Questions
What color is #09090B?
#09090B is a darkest blue — rgb(9, 9, 11) in RGB and hsl(240, 10%, 4%) in HSL. It carries no registered color name of its own; the closest named color is Jet Black (#0A0A0A), which is indistinguishable to the eye at a CIE76 distance of 0.83.
What is the RGB value of #09090B?
#09090B is rgb(9, 9, 11) — red 9, green 9, and blue 11 on the 0-255 scale.
What is the CMYK value of #09090B?
#09090B converts to approximately cmyk(18%, 18%, 0%, 96%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #09090B be black or white?
White text is the more readable choice. #09090B scores 19.9:1 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 #09090B as a CSS color keyword?
No. #09090B 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 2.63, which is very hard to tell apart.
Open #09090B in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.