#D91C1F Color
#D91C1F is rgb(217, 28, 31) in RGB, hsl(359, 77%, 48%) in HSL, and about cmyk(0%, 87%, 86%, 15%) in CMYK. It has no registered color name of its own — the closest is Maximum Red (#D92121), below the threshold most people can see at ΔE 1.2. White text is the more readable choice on this background.
#D91C1Frgb(217, 28, 31)hsl(359, 77%, 48%)hsv(359, 87%, 85%)cmyk(0%, 87%, 86%, 15%)oklch(56.6% 0.218 27.5)lab(47.44% 68.73 50.94)lch(47.44% 85.55 36.55)What #D91C1F 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 #D91C1F, 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.
#D91C1F Channel Values
How #D91C1F 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 217 · G 28 · B 31 | 8-bit channels as sent to the display |
| HSL | H 359° · S 77% · L 48% | Easiest model for building lighter and darker variants |
| HSV | H 359° · S 87% · V 85% | Matches the picker in most design tools |
| CMYK | C 0% · M 87% · Y 86% · K 15% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.08:1 vs white · 4.14:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #D91C1F 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 #D91C1F in the contrast checker.
Colors That Go With #D91C1F
Pairings derived from color-wheel relationships. The complementary color sits opposite #D91C1F; 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 #D91C1F
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 #D91C1F.
How #D91C1F 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.
#D91C1F#64641A#A1511C#868600#AD6B08#D91C1C#D91C1D#6E6E6EUsing #D91C1F in Code
Copy-ready declarations for the places this color usually ends up.
--color-d91c1f: #D91C1F;background-color: #D91C1F;colors: { 'color-d91c1f': '#D91C1F' }Color(red: 0.851, green: 0.110, blue: 0.122)<color name="color_d91c1f">#D91C1F</color>fill="#D91C1F"More Red Colors
#D91C1F sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.
#D91C1F Frequently Asked Questions
What color is #D91C1F?
#D91C1F is a mid-tone red — rgb(217, 28, 31) in RGB and hsl(359, 77%, 48%) in HSL. It carries no registered color name of its own; the closest named color is Maximum Red (#D92121), which is below the threshold most people can see at a CIE76 distance of 1.2.
What is the RGB value of #D91C1F?
#D91C1F is rgb(217, 28, 31) — red 217, green 28, and blue 31 on the 0-255 scale.
What is the CMYK value of #D91C1F?
#D91C1F converts to approximately cmyk(0%, 87%, 86%, 15%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #D91C1F be black or white?
White text is the more readable choice. #D91C1F scores 5.08:1 against white and 4.14:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #D91C1F as a CSS color keyword?
No. #D91C1F 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 crimson (#DC143C) at a CIE76 distance of 15.68, which is visibly different.
Open #D91C1F in a Tool
Keep exploring: every red in the color library, the guide to shades of red, or the full color library.