#91090D#91090D

#91090D is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.7% C 0.165 H 27.7°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#91090D
RGB	rgb(145, 9, 13)
HSL	hsl(358, 88%, 30%)
HSV	hsv(358, 94%, 57%)
CMYK	cmyk(0%, 93.8%, 91%, 43.1%)
CIE-LAB	lab(30.03, 51.39, 38.00)
CIE-LCH	lch(30.03, 63.91, 36.48°)
OKLab	oklab(41.67% 0.1459 0.0766)
OKLCH	oklch(41.67% 0.165 27.7)
XYZ	xyz(11.8490, 6.2462, 0.9625)
Luminance	0.0624 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91090D #09918D

analogous

#910951 #91090D #914909

triadic

#91090D #0D9109 #090D91

tetradic

#91090D #519109 #09918D #490991

square

#91090D #519109 #09918D #490991

split-complementary

#91090D #099149 #095191

monochromatic

#1E0203 #570508 #91090D #CB0D12 #F12329

Accessibility & contrast

On white

9.34

#91090D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#91090D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #91090D

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91090D	#FFFFFF	#000000	##FFFFFF
##91090D	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C350A

Deuteranopia (green-blind)

#5B5102

Tritanopia (blue-blind)

#A1000E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #91090d;
/* rgb */ color: rgb(145, 9, 13);
/* oklch */ color: oklch(41.7% 0.165 27.7);

Tailwind

colors: {
  custom: {
    50: '#bc5e4e',
    500: '#91090d',
    950: '#000000',
  },
}

SCSS

$custom: #91090d;
$custom-light: #bc5e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#91090d",
  "rgb": {
    "r": 145,
    "g": 9,
    "b": 13
  },
  "hsl": {
    "h": 358.235,
    "s": 88.312,
    "l": 30.196
  },
  "oklch": {
    "l": 0.4167,
    "c": 0.16474,
    "h": 27.7
  },
  "luminance": 0.06244
}

Semantic roles & 50–950 ramp

primary

#91090D

secondary

#2FC7C2

accent

#FEF829

background

#FCF6F4

surface

#F9EBE7

border

#D2C6C3

text

#140502

muted

#827A78

Preview Lab

Preview with #91090D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →