#901D2E#901D2E

#901D2E is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.1% C 0.149 H 18.7°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#901D2E
RGB	rgb(144, 29, 46)
HSL	hsl(351, 66%, 34%)
HSV	hsv(351, 80%, 56%)
CMYK	cmyk(0%, 79.9%, 68.1%, 43.5%)
CIE-LAB	lab(31.82, 47.70, 20.21)
CIE-LCH	lch(31.82, 51.80, 22.96°)
OKLab	oklab(43.09% 0.1414 0.0478)
OKLCH	oklch(43.09% 0.149 18.7)
XYZ	xyz(12.4355, 7.0072, 3.2820)
Luminance	0.0701 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901D2E #1D907F

analogous

#901D68 #901D2E #90461D

triadic

#901D2E #2E901D #1D2E90

tetradic

#901D2E #68901D #1D907F #461D90

square

#901D2E #68901D #1D907F #461D90

split-complementary

#901D2E #1D9046 #1D6890

monochromatic

#2A080D #5D131E #901D2E #C3273E #DB4C61

Accessibility & contrast

On white

8.75

#901D2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#901D2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901D2E

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901D2E	#FFFFFF	#000000	##FFFFFF
##901D2E	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3B2E

Deuteranopia (green-blind)

#5C542B

Tritanopia (blue-blind)

#9F0025

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901d2e;
/* rgb */ color: rgb(144, 29, 46);
/* oklch */ color: oklch(43.1% 0.149 18.7);

Tailwind

colors: {
  custom: {
    50: '#b86566',
    500: '#901d2e',
    950: '#000000',
  },
}

SCSS

$custom: #901d2e;
$custom-light: #b86566;
$custom-dark: #000000;

JSON

{
  "hex": "#901d2e",
  "rgb": {
    "r": 144,
    "g": 29,
    "b": 46
  },
  "hsl": {
    "h": 351.13,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43089,
    "c": 0.14931,
    "h": 18.7
  },
  "luminance": 0.07005
}

Semantic roles & 50–950 ramp

primary

#901D2E

secondary

#4BBDAD

accent

#E9D03E

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901D2E

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

Preview Lab → · Contrast checker → · Palette generator →