#901E21#901E21

#901E21 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.0% C 0.149 H 25.0°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#901E21
RGB	rgb(144, 30, 33)
HSL	hsl(358, 66%, 34%)
HSV	hsv(358, 79%, 56%)
CMYK	cmyk(0%, 79.2%, 77.1%, 43.5%)
CIE-LAB	lab(31.74, 46.74, 28.34)
CIE-LCH	lch(31.74, 54.66, 31.23°)
OKLab	oklab(42.96% 0.1354 0.0633)
OKLCH	oklch(42.96% 0.149 25)
XYZ	xyz(12.2418, 6.9696, 2.1392)
Luminance	0.0697 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901E21 #1E908D

analogous

#901E5A #901E21 #90541E

triadic

#901E21 #21901E #1E2190

tetradic

#901E21 #5A901E #1E908D #541E90

square

#901E21 #5A901E #1E908D #541E90

split-complementary

#901E21 #1E9054 #1E5A90

monochromatic

#2B090A #5D1315 #901E21 #C3292D #DA4E52

Accessibility & contrast

On white

8.77

#901E21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#901E21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901E21

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901E21	#FFFFFF	#000000	##FFFFFF
##901E21	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413B20

Deuteranopia (green-blind)

#5D531D

Tritanopia (blue-blind)

#9F0021

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901e21;
/* rgb */ color: rgb(144, 30, 33);
/* oklch */ color: oklch(43.0% 0.149 25.0);

Tailwind

colors: {
  custom: {
    50: '#b9655c',
    500: '#901e21',
    950: '#000000',
  },
}

SCSS

$custom: #901e21;
$custom-light: #b9655c;
$custom-dark: #000000;

JSON

{
  "hex": "#901e21",
  "rgb": {
    "r": 144,
    "g": 30,
    "b": 33
  },
  "hsl": {
    "h": 358.421,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42961,
    "c": 0.14945,
    "h": 25
  },
  "luminance": 0.06968
}

Semantic roles & 50–950 ramp

primary

#901E21

secondary

#4DBDBA

accent

#E8E43F

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #901E21

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

Preview Lab → · Contrast checker → · Palette generator →