#901820#901820

#901820 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.5% C 0.154 H 24.0°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#901820
RGB	rgb(144, 24, 32)
HSL	hsl(356, 71%, 33%)
HSV	hsv(356, 83%, 56%)
CMYK	cmyk(0%, 83.3%, 77.8%, 43.5%)
CIE-LAB	lab(31.09, 48.50, 28.23)
CIE-LCH	lch(31.09, 56.12, 30.21°)
OKLab	oklab(42.48% 0.1407 0.0628)
OKLCH	oklch(42.48% 0.154 24)
XYZ	xyz(12.0904, 6.6888, 2.0207)
Luminance	0.0669 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901820 #189088

analogous

#90185C #901820 #904C18

triadic

#901820 #209018 #182090

tetradic

#901820 #5C9018 #189088 #4C1890

square

#901820 #5C9018 #189088 #4C1890

split-complementary

#901820 #18904C #185C90

monochromatic

#270709 #5C0F14 #901820 #C4212C #E0434D

Accessibility & contrast

On white

8.98

#901820 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#901820 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901820

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901820	#FFFFFF	#000000	##FFFFFF
##901820	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F391F

Deuteranopia (green-blind)

#5C521B

Tritanopia (blue-blind)

#9F001D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901820;
/* rgb */ color: rgb(144, 24, 32);
/* oklch */ color: oklch(42.5% 0.154 24.0);

Tailwind

colors: {
  custom: {
    50: '#b9635b',
    500: '#901820',
    950: '#000000',
  },
}

SCSS

$custom: #901820;
$custom-light: #b9635b;
$custom-dark: #000000;

JSON

{
  "hex": "#901820",
  "rgb": {
    "r": 144,
    "g": 24,
    "b": 32
  },
  "hsl": {
    "h": 356,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42475,
    "c": 0.1541,
    "h": 24
  },
  "luminance": 0.06687
}

Semantic roles & 50–950 ramp

primary

#901820

secondary

#43C0B8

accent

#EEE23A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #901820

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

Preview Lab → · Contrast checker → · Palette generator →