#910D0F Color
#910D0F is rgb(145, 13, 15) in RGB, hsl(359, 84%, 31%) in HSL, and about cmyk(0%, 91%, 90%, 43%) in CMYK. It has no registered color name of its own — the closest is Spartan Crimson (#9E1316), very hard to tell apart at ΔE 4.3. White text is the more readable choice on this background.
#910D0Frgb(145, 13, 15)hsl(359, 84%, 31%)hsv(359, 91%, 57%)cmyk(0%, 91%, 90%, 43%)oklch(41.9% 0.163 27.7)lab(30.92% 51.28 38.71)lch(30.92% 64.25 37.04)What #910D0F 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 #910D0F, 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 red in the library.
#910D0F Channel Values
How #910D0F 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 145 · G 13 · B 15 | 8-bit channels as sent to the display |
| HSL | H 359° · S 84% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 359° · S 91% · V 57% | Matches the picker in most design tools |
| CMYK | C 0% · M 91% · Y 90% · K 43% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.26:1 vs white · 2.27:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #910D0F 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 #910D0F in the contrast checker.
Colors That Go With #910D0F
Pairings derived from color-wheel relationships. The complementary color sits opposite #910D0F; 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 #910D0F
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 #910D0F.
How #910D0F 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.
#910D0F#40400C#6A330D#575700#734500#910D0D#910D0E#474747Using #910D0F in Code
Copy-ready declarations for the places this color usually ends up.
--color-910d0f: #910D0F;background-color: #910D0F;colors: { 'color-910d0f': '#910D0F' }Color(red: 0.569, green: 0.051, blue: 0.059)<color name="color_910d0f">#910D0F</color>fill="#910D0F"More Red Colors
#910D0F sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.
#910D0F Frequently Asked Questions
What color is #910D0F?
#910D0F is a dark red — rgb(145, 13, 15) in RGB and hsl(359, 84%, 31%) in HSL. It carries no registered color name of its own; the closest named color is Spartan Crimson (#9E1316), which is very hard to tell apart at a CIE76 distance of 4.3.
What is the RGB value of #910D0F?
#910D0F is rgb(145, 13, 15) — red 145, green 13, and blue 15 on the 0-255 scale.
What is the CMYK value of #910D0F?
#910D0F converts to approximately cmyk(0%, 91%, 90%, 43%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #910D0F be black or white?
White text is the more readable choice. #910D0F scores 9.26:1 against white and 2.27:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #910D0F as a CSS color keyword?
No. #910D0F 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 darkred (#8B0000) at a CIE76 distance of 4.63, which is very hard to tell apart.
Open #910D0F in a Tool
Keep exploring: every red in the color library, the guide to shades of red, or the full color library.