#091139 Color
#091139 is rgb(9, 17, 57) in RGB, hsl(230, 73%, 13%) in HSL, and about cmyk(84%, 70%, 0%, 78%) in CMYK. It has no registered color name of its own — the closest is Maastricht Blue (#001C3D), clearly related but distinguishable side by side at ΔE 9.23. White text is the more readable choice on this background.
#091139rgb(9, 17, 57)hsl(230, 73%, 13%)hsv(230, 84%, 22%)cmyk(84%, 70%, 0%, 78%)oklch(20.1% 0.078 269.3)lab(6.42% 9.43 -27.46)lch(6.42% 29.03 288.95)What #091139 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 #091139, 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.
#091139 Channel Values
How #091139 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 17 · B 57 | 8-bit channels as sent to the display |
| HSL | H 230° · S 73% · L 13% | Easiest model for building lighter and darker variants |
| HSV | H 230° · S 84% · V 22% | Matches the picker in most design tools |
| CMYK | C 84% · M 70% · Y 0% · K 78% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 18.25:1 vs white · 1.15:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #091139 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 #091139 in the contrast checker.
Colors That Go With #091139
Pairings derived from color-wheel relationships. The complementary color sits opposite #091139; 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 #091139
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 #091139.
How #091139 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.
#091139#101039#0D1039#0F0F39#0D1039#001A1A#001629#151515Using #091139 in Code
Copy-ready declarations for the places this color usually ends up.
--color-091139: #091139;background-color: #091139;colors: { 'color-091139': '#091139' }Color(red: 0.035, green: 0.067, blue: 0.224)<color name="color_091139">#091139</color>fill="#091139"More Blue Colors
#091139 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#091139 Frequently Asked Questions
What color is #091139?
#091139 is a darkest blue — rgb(9, 17, 57) in RGB and hsl(230, 73%, 13%) in HSL. It carries no registered color name of its own; the closest named color is Maastricht Blue (#001C3D), which is clearly related but distinguishable side by side at a CIE76 distance of 9.23.
What is the RGB value of #091139?
#091139 is rgb(9, 17, 57) — red 9, green 17, and blue 57 on the 0-255 scale.
What is the CMYK value of #091139?
#091139 converts to approximately cmyk(84%, 70%, 0%, 78%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #091139 be black or white?
White text is the more readable choice. #091139 scores 18.25:1 against white and 1.15:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #091139 as a CSS color keyword?
No. #091139 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 29.73, which is a different colour altogether.
Open #091139 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.