#901A1D#901A1D

#901A1D is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.6% C 0.153 H 25.7°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#901A1D
RGB	rgb(144, 26, 29)
HSL	hsl(358, 69%, 33%)
HSV	hsv(358, 82%, 56%)
CMYK	cmyk(0%, 81.9%, 79.9%, 43.5%)
CIE-LAB	lab(31.25, 47.82, 30.24)
CIE-LCH	lch(31.25, 56.58, 32.31°)
OKLab	oklab(42.59% 0.1379 0.0662)
OKLCH	oklch(42.59% 0.153 25.7)
XYZ	xyz(12.0942, 6.7587, 1.8299)
Luminance	0.0676 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901A1D #1A908D

analogous

#901A58 #901A1D #90521A

triadic

#901A1D #1D901A #1A1D90

tetradic

#901A1D #58901A #1A908D #521A90

square

#901A1D #58901A #1A908D #521A90

split-complementary

#901A1D #1A9052 #1A5890

monochromatic

#280708 #5C1113 #901A1D #C42327 #DE474B

Accessibility & contrast

On white

8.93

#901A1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#901A1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901A1D

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901A1D	#FFFFFF	#000000	##FFFFFF
##901A1D	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40391C

Deuteranopia (green-blind)

#5D5318

Tritanopia (blue-blind)

#9F001D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901a1d;
/* rgb */ color: rgb(144, 26, 29);
/* oklch */ color: oklch(42.6% 0.153 25.7);

Tailwind

colors: {
  custom: {
    50: '#b96359',
    500: '#901a1d',
    950: '#000000',
  },
}

SCSS

$custom: #901a1d;
$custom-light: #b96359;
$custom-dark: #000000;

JSON

{
  "hex": "#901a1d",
  "rgb": {
    "r": 144,
    "g": 26,
    "b": 29
  },
  "hsl": {
    "h": 358.475,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42585,
    "c": 0.15298,
    "h": 25.7
  },
  "luminance": 0.06757
}

Semantic roles & 50–950 ramp

primary

#901A1D

secondary

#47BFBC

accent

#ECE83C

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901A1D

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

Preview Lab → · Contrast checker → · Palette generator →