#901F31#901F31

#901F31 is a dark, vivid red. Relative luminance 0.071; OKLCH L 43.3% C 0.147 H 17.6°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#901F31
RGB	rgb(144, 31, 49)
HSL	hsl(350, 65%, 34%)
HSV	hsv(350, 78%, 56%)
CMYK	cmyk(0%, 78.5%, 66%, 43.5%)
CIE-LAB	lab(32.11, 47.23, 18.63)
CIE-LCH	lch(32.11, 50.77, 21.52°)
OKLab	oklab(43.32% 0.1406 0.0446)
OKLCH	oklch(43.32% 0.148 17.6)
XYZ	xyz(12.5473, 7.1329, 3.6212)
Luminance	0.0713 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901F31 #1F907E

analogous

#901F6A #901F31 #90451F

triadic

#901F31 #31901F #1F3190

tetradic

#901F31 #6A901F #1F907E #451F90

square

#901F31 #6A901F #1F907E #451F90

split-complementary

#901F31 #1F9045 #1F6A90

monochromatic

#2B090F #5E1420 #901F31 #C22A42 #D95066

Accessibility & contrast

On white

8.66

#901F31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#901F31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901F31

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901F31	#FFFFFF	#000000	##FFFFFF
##901F31	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403C31

Deuteranopia (green-blind)

#5C542E

Tritanopia (blue-blind)

#9E0027

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901f31;
/* rgb */ color: rgb(144, 31, 49);
/* oklch */ color: oklch(43.3% 0.147 17.6);

Tailwind

colors: {
  custom: {
    50: '#b76668',
    500: '#901f31',
    950: '#000000',
  },
}

SCSS

$custom: #901f31;
$custom-light: #b76668;
$custom-dark: #000000;

JSON

{
  "hex": "#901f31",
  "rgb": {
    "r": 144,
    "g": 31,
    "b": 49
  },
  "hsl": {
    "h": 350.442,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43317,
    "c": 0.1475,
    "h": 17.6
  },
  "luminance": 0.07131
}

Semantic roles & 50–950 ramp

primary

#901F31

secondary

#4EBCAB

accent

#E8CD40

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901F31

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

Preview Lab → · Contrast checker → · Palette generator →