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#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.

#D91C1F
HEX#D91C1F
RGBrgb(217, 28, 31)
HSLhsl(359, 77%, 48%)
HSVhsv(359, 87%, 85%)
CMYKcmyk(0%, 87%, 86%, 15%)
OKLCHoklch(56.6% 0.218 27.5)
LABlab(47.44% 68.73 50.94)
LCHlch(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.

ModelChannelsNotes
RGBR 217 · G 28 · B 318-bit channels as sent to the display
HSLH 359° · S 77% · L 48%Easiest model for building lighter and darker variants
HSVH 359° · S 87% · V 85%Matches the picker in most design tools
CMYKC 0% · M 87% · Y 86% · K 15%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.08:1 vs white · 4.14:1 vs blackWCAG 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.

TextWhite text5.08:1AA normal AA large AAA normal
Fails AABlack text4.14:1AA normal AA large AAA normal

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.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

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.

Tints

Shades

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.

Typical#D91C1F
Protanopia#64641A
Protanomaly#A1511C
Deuteranopia#868600
Deuteranomaly#AD6B08
Tritanopia#D91C1C
Tritanomaly#D91C1D
Achromatopsia#6E6E6E

Test a full palette in the color blindness simulator.

Using #D91C1F in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-d91c1f: #D91C1F;
CSS backgroundbackground-color: #D91C1F;
Tailwind configcolors: { 'color-d91c1f': '#D91C1F' }
SwiftUIColor(red: 0.851, green: 0.110, blue: 0.122)
Android XML<color name="color_d91c1f">#D91C1F</color>
SVG fillfill="#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.