#901F1D#901F1D

#901F1D is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.0% C 0.149 H 26.9°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#901F1D
RGB	rgb(144, 31, 29)
HSL	hsl(1, 66%, 34%)
HSV	hsv(1, 80%, 56%)
CMYK	cmyk(0%, 78.5%, 79.9%, 43.5%)
CIE-LAB	lab(31.81, 46.26, 30.82)
CIE-LCH	lch(31.81, 55.59, 33.68°)
OKLab	oklab(43% 0.133 0.0675)
OKLCH	oklch(43% 0.149 26.9)
XYZ	xyz(12.2148, 6.9999, 1.8701)
Luminance	0.0700 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901F1D #1D8E90

analogous

#901D55 #901F1D #90591D

triadic

#901F1D #1D901F #1F1D90

tetradic

#901F1D #55901D #1D8E90 #591D90

square

#901F1D #55901D #1D8E90 #591D90

split-complementary

#901F1D #1D9059 #1D5590

monochromatic

#2A0908 #5D1413 #901F1D #C32A27 #DB4F4C

Accessibility & contrast

On white

8.75

#901F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#901F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901F1D

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901F1D	#FFFFFF	#000000	##FFFFFF
##901F1D	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)

#423B1B

Deuteranopia (green-blind)

#5E5418

Tritanopia (blue-blind)

#9F0020

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901f1d;
/* rgb */ color: rgb(144, 31, 29);
/* oklch */ color: oklch(43.0% 0.149 26.9);

Tailwind

colors: {
  custom: {
    50: '#b96559',
    500: '#901f1d',
    950: '#000000',
  },
}

SCSS

$custom: #901f1d;
$custom-light: #b96559;
$custom-dark: #000000;

JSON

{
  "hex": "#901f1d",
  "rgb": {
    "r": 144,
    "g": 31,
    "b": 29
  },
  "hsl": {
    "h": 1.043,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.42998,
    "c": 0.14913,
    "h": 26.9
  },
  "luminance": 0.06998
}

Semantic roles & 50–950 ramp

primary

#901F1D

secondary

#4BBBBD

accent

#E6E93E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901F1D

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

Preview Lab → · Contrast checker → · Palette generator →