#901C31#901C31

#901C31 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.1% C 0.150 H 16.9°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#901C31
RGB	rgb(144, 28, 49)
HSL	hsl(349, 67%, 34%)
HSV	hsv(349, 81%, 56%)
CMYK	cmyk(0%, 80.6%, 66%, 43.5%)
CIE-LAB	lab(31.77, 48.18, 18.19)
CIE-LCH	lch(31.77, 51.50, 20.68°)
OKLab	oklab(43.07% 0.1437 0.0436)
OKLCH	oklch(43.07% 0.15 16.9)
XYZ	xyz(12.4726, 6.9835, 3.5963)
Luminance	0.0698 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901C31 #1C907B

analogous

#901C6B #901C31 #90411C

triadic

#901C31 #31901C #1C3190

tetradic

#901C31 #6B901C #1C907B #411C90

square

#901C31 #6B901C #1C907B #411C90

split-complementary

#901C31 #1C9041 #1C6B90

monochromatic

#2A080E #5D1220 #901C31 #C32642 #DC4A65

Accessibility & contrast

On white

8.76

#901C31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#901C31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901C31

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901C31	#FFFFFF	#000000	##FFFFFF
##901C31	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3B31

Deuteranopia (green-blind)

#5B532E

Tritanopia (blue-blind)

#9E0025

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901c31;
/* rgb */ color: rgb(144, 28, 49);
/* oklch */ color: oklch(43.1% 0.150 16.9);

Tailwind

colors: {
  custom: {
    50: '#b86468',
    500: '#901c31',
    950: '#000000',
  },
}

SCSS

$custom: #901c31;
$custom-light: #b86468;
$custom-dark: #000000;

JSON

{
  "hex": "#901c31",
  "rgb": {
    "r": 144,
    "g": 28,
    "b": 49
  },
  "hsl": {
    "h": 349.138,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43067,
    "c": 0.15013,
    "h": 16.9
  },
  "luminance": 0.06982
}

Semantic roles & 50–950 ramp

primary

#901C31

secondary

#4ABEA9

accent

#EACB3D

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901C31

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

Preview Lab → · Contrast checker → · Palette generator →