#901D31#901D31

#901D31 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.1% C 0.149 H 17.1°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#901D31
RGB	rgb(144, 29, 49)
HSL	hsl(350, 66%, 34%)
HSV	hsv(350, 80%, 56%)
CMYK	cmyk(0%, 79.9%, 66%, 43.5%)
CIE-LAB	lab(31.88, 47.87, 18.33)
CIE-LCH	lch(31.88, 51.26, 20.95°)
OKLab	oklab(43.15% 0.1427 0.0439)
OKLCH	oklch(43.15% 0.149 17.1)
XYZ	xyz(12.4967, 7.0317, 3.6044)
Luminance	0.0703 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901D31 #1D907C

analogous

#901D6B #901D31 #90431D

triadic

#901D31 #31901D #1D3190

tetradic

#901D31 #6B901D #1D907C #431D90

square

#901D31 #6B901D #1D907C #431D90

split-complementary

#901D31 #1D9043 #1D6B90

monochromatic

#2A080E #5D1320 #901D31 #C32742 #DB4C65

Accessibility & contrast

On white

8.73

#901D31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#901D31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901D31

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901D31	#FFFFFF	#000000	##FFFFFF
##901D31	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3C31

Deuteranopia (green-blind)

#5C542E

Tritanopia (blue-blind)

#9E0026

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901d31;
/* rgb */ color: rgb(144, 29, 49);
/* oklch */ color: oklch(43.1% 0.149 17.1);

Tailwind

colors: {
  custom: {
    50: '#b86568',
    500: '#901d31',
    950: '#000000',
  },
}

SCSS

$custom: #901d31;
$custom-light: #b86568;
$custom-dark: #000000;

JSON

{
  "hex": "#901d31",
  "rgb": {
    "r": 144,
    "g": 29,
    "b": 49
  },
  "hsl": {
    "h": 349.565,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43148,
    "c": 0.14928,
    "h": 17.1
  },
  "luminance": 0.0703
}

Semantic roles & 50–950 ramp

primary

#901D31

secondary

#4BBDAA

accent

#E9CC3E

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901D31

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

Preview Lab → · Contrast checker → · Palette generator →