#901F2B#901F2B

#901F2B is a dark, vivid red. Relative luminance 0.071; OKLCH L 43.2% C 0.148 H 20.7°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#901F2B
RGB	rgb(144, 31, 43)
HSL	hsl(354, 65%, 34%)
HSV	hsv(354, 78%, 56%)
CMYK	cmyk(0%, 78.5%, 70.1%, 43.5%)
CIE-LAB	lab(32.00, 46.89, 22.37)
CIE-LCH	lch(32.00, 51.95, 25.50°)
OKLab	oklab(43.2% 0.1382 0.0522)
OKLCH	oklch(43.2% 0.148 20.7)
XYZ	xyz(12.4290, 7.0856, 2.9982)
Luminance	0.0708 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901F2B #1F9084

analogous

#901F64 #901F2B #904C1F

triadic

#901F2B #2B901F #1F2B90

tetradic

#901F2B #64901F #1F9084 #4C1F90

square

#901F2B #64901F #1F9084 #4C1F90

split-complementary

#901F2B #1F904C #1F6490

monochromatic

#2B090D #5E141C #901F2B #C22A3A #D9505F

Accessibility & contrast

On white

8.69

#901F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#901F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901F2B

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901F2B	#FFFFFF	#000000	##FFFFFF
##901F2B	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403C2B

Deuteranopia (green-blind)

#5D5427

Tritanopia (blue-blind)

#9F0025

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901f2b;
/* rgb */ color: rgb(144, 31, 43);
/* oklch */ color: oklch(43.2% 0.148 20.7);

Tailwind

colors: {
  custom: {
    50: '#b86564',
    500: '#901f2b',
    950: '#000000',
  },
}

SCSS

$custom: #901f2b;
$custom-light: #b86564;
$custom-dark: #000000;

JSON

{
  "hex": "#901f2b",
  "rgb": {
    "r": 144,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 353.628,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43204,
    "c": 0.14771,
    "h": 20.7
  },
  "luminance": 0.07084
}

Semantic roles & 50–950 ramp

primary

#901F2B

secondary

#4EBCB1

accent

#E8D640

background

#FCF6F5

surface

#F8EBEA

border

#D1C6C6

text

#130605

muted

#827A79

Preview Lab

Preview with #901F2B

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

Preview Lab → · Contrast checker → · Palette generator →