#991B0F Color
#991B0F is rgb(153, 27, 15) in RGB, hsl(5, 82%, 33%) in HSL, and about cmyk(0%, 82%, 90%, 40%) in CMYK. It has no registered color name of its own — the closest is Spartan Crimson (#9E1316), very hard to tell apart at ΔE 4.31. White text is the more readable choice on this background.
#991B0Frgb(153, 27, 15)hsl(5, 82%, 33%)hsv(5, 90%, 60%)cmyk(0%, 82%, 90%, 40%)oklch(44.3% 0.163 30.1)lab(33.78% 50.59 41.62)lch(33.78% 65.51 39.44)What #991B0F 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 #991B0F, 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.
#991B0F Channel Values
How #991B0F 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 153 · G 27 · B 15 | 8-bit channels as sent to the display |
| HSL | H 5° · S 82% · L 33% | Easiest model for building lighter and darker variants |
| HSV | H 5° · S 90% · V 60% | Matches the picker in most design tools |
| CMYK | C 0% · M 82% · Y 90% · K 40% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.34:1 vs white · 2.52:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #991B0F 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 #991B0F in the contrast checker.
Colors That Go With #991B0F
Pairings derived from color-wheel relationships. The complementary color sits opposite #991B0F; 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 #991B0F
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 #991B0F.
How #991B0F 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.
#991B0F#47470B#713A0D#5E5E00#7A4C00#991A1A#991A16#4E4E4EUsing #991B0F in Code
Copy-ready declarations for the places this color usually ends up.
--color-991b0f: #991B0F;background-color: #991B0F;colors: { 'color-991b0f': '#991B0F' }Color(red: 0.600, green: 0.106, blue: 0.059)<color name="color_991b0f">#991B0F</color>fill="#991B0F"More Red Colors
#991B0F sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.
#991B0F Frequently Asked Questions
What color is #991B0F?
#991B0F is a dark red — rgb(153, 27, 15) in RGB and hsl(5, 82%, 33%) 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 4.31.
What is the RGB value of #991B0F?
#991B0F is rgb(153, 27, 15) — red 153, green 27, and blue 15 on the 0-255 scale.
What is the CMYK value of #991B0F?
#991B0F converts to approximately cmyk(0%, 82%, 90%, 40%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #991B0F be black or white?
White text is the more readable choice. #991B0F scores 8.34:1 against white and 2.52:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #991B0F as a CSS color keyword?
No. #991B0F 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 5.23, which is clearly related but distinguishable side by side.
Open #991B0F in a Tool
Keep exploring: every red in the color library, the guide to shades of red, or the full color library.