#901E1B#901E1B

#901E1B is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.9% C 0.150 H 27.4°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#901E1B
RGB	rgb(144, 30, 27)
HSL	hsl(2, 68%, 34%)
HSV	hsv(2, 81%, 56%)
CMYK	cmyk(0%, 79.2%, 81.3%, 43.5%)
CIE-LAB	lab(31.67, 46.52, 31.85)
CIE-LCH	lch(31.67, 56.38, 34.40°)
OKLab	oklab(42.89% 0.1334 0.0691)
OKLCH	oklch(42.89% 0.15 27.4)
XYZ	xyz(12.1652, 6.9389, 1.7355)
Luminance	0.0694 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901E1B #1B8D90

analogous

#901B52 #901E1B #90581B

triadic

#901E1B #1B901E #1E1B90

tetradic

#901E1B #52901B #1B8D90 #581B90

square

#901E1B #52901B #1B8D90 #581B90

split-complementary

#901E1B #1B9058 #1B5290

monochromatic

#290908 #5C1311 #901E1B #C42925 #DD4C49

Accessibility & contrast

On white

8.80

#901E1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#901E1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901E1B

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901E1B	#FFFFFF	#000000	##FFFFFF
##901E1B	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423B19

Deuteranopia (green-blind)

#5E5316

Tritanopia (blue-blind)

#9F001F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901e1b;
/* rgb */ color: rgb(144, 30, 27);
/* oklch */ color: oklch(42.9% 0.150 27.4);

Tailwind

colors: {
  custom: {
    50: '#b96558',
    500: '#901e1b',
    950: '#000000',
  },
}

SCSS

$custom: #901e1b;
$custom-light: #b96558;
$custom-dark: #000000;

JSON

{
  "hex": "#901e1b",
  "rgb": {
    "r": 144,
    "g": 30,
    "b": 27
  },
  "hsl": {
    "h": 1.538,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42887,
    "c": 0.15019,
    "h": 27.4
  },
  "luminance": 0.06937
}

Semantic roles & 50–950 ramp

primary

#901E1B

secondary

#48BCBF

accent

#E7EB3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901E1B

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

Preview Lab → · Contrast checker → · Palette generator →