#901D1E#901D1E

#901D1E is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.8% C 0.151 H 26.0°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#901D1E
RGB	rgb(144, 29, 30)
HSL	hsl(359, 66%, 34%)
HSV	hsv(359, 80%, 56%)
CMYK	cmyk(0%, 79.9%, 79.2%, 43.5%)
CIE-LAB	lab(31.59, 46.94, 29.99)
CIE-LCH	lch(31.59, 55.71, 32.58°)
OKLab	oklab(42.84% 0.1354 0.066)
OKLCH	oklch(42.84% 0.151 26)
XYZ	xyz(12.1768, 6.9037, 1.9194)
Luminance	0.0690 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901D1E #1D908F

analogous

#901D58 #901D1E #90561D

triadic

#901D1E #1E901D #1D1E90

tetradic

#901D1E #58901D #1D908F #561D90

square

#901D1E #58901D #1D908F #561D90

split-complementary

#901D1E #1D9056 #1D5890

monochromatic

#2A0809 #5D1313 #901D1E #C32729 #DB4C4E

Accessibility & contrast

On white

8.82

#901D1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#901D1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901D1E

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901D1E	#FFFFFF	#000000	##FFFFFF
##901D1E	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A1D

Deuteranopia (green-blind)

#5D5319

Tritanopia (blue-blind)

#9F001F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901d1e;
/* rgb */ color: rgb(144, 29, 30);
/* oklch */ color: oklch(42.8% 0.151 26.0);

Tailwind

colors: {
  custom: {
    50: '#b9645a',
    500: '#901d1e',
    950: '#000000',
  },
}

SCSS

$custom: #901d1e;
$custom-light: #b9645a;
$custom-dark: #000000;

JSON

{
  "hex": "#901d1e",
  "rgb": {
    "r": 144,
    "g": 29,
    "b": 30
  },
  "hsl": {
    "h": 359.478,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.42838,
    "c": 0.1506,
    "h": 26
  },
  "luminance": 0.06902
}

Semantic roles & 50–950 ramp

primary

#901D1E

secondary

#4BBDBC

accent

#E9E83E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #901D1E

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

Preview Lab → · Contrast checker → · Palette generator →