#901631#901631

#901631 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.6% C 0.155 H 15.7°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#901631
RGB	rgb(144, 22, 49)
HSL	hsl(347, 73%, 33%)
HSV	hsv(347, 85%, 56%)
CMYK	cmyk(0%, 84.7%, 66%, 43.5%)
CIE-LAB	lab(31.18, 49.86, 17.42)
CIE-LCH	lch(31.18, 52.82, 19.26°)
OKLab	oklab(42.63% 0.1491 0.0418)
OKLCH	oklch(42.63% 0.155 15.7)
XYZ	xyz(12.3442, 6.7268, 3.5536)
Luminance	0.0673 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901631 #169075

analogous

#90166E #901631 #903816

triadic

#901631 #319016 #163190

tetradic

#901631 #6E9016 #169075 #381690

square

#901631 #6E9016 #169075 #381690

split-complementary

#901631 #169038 #166E90

monochromatic

#26060D #5B0E1F #901631 #C51E43 #E23F63

Accessibility & contrast

On white

8.96

#901631 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#901631 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901631

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901631	#FFFFFF	#000000	##FFFFFF
##901631	1.00	8.96	2.35	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3931

Deuteranopia (green-blind)

#5A522E

Tritanopia (blue-blind)

#9E0022

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901631;
/* rgb */ color: rgb(144, 22, 49);
/* oklch */ color: oklch(42.6% 0.155 15.7);

Tailwind

colors: {
  custom: {
    50: '#b86268',
    500: '#901631',
    950: '#000000',
  },
}

SCSS

$custom: #901631;
$custom-light: #b86268;
$custom-dark: #000000;

JSON

{
  "hex": "#901631",
  "rgb": {
    "r": 144,
    "g": 22,
    "b": 49
  },
  "hsl": {
    "h": 346.721,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42629,
    "c": 0.15484,
    "h": 15.7
  },
  "luminance": 0.06725
}

Semantic roles & 50–950 ramp

primary

#901631

secondary

#40C2A5

accent

#F0C738

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901631

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

Preview Lab → · Contrast checker → · Palette generator →