#901D18#901D18

#901D18 is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.8% C 0.151 H 28.2°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#901D18
RGB	rgb(144, 29, 24)
HSL	hsl(3, 71%, 33%)
HSV	hsv(3, 83%, 56%)
CMYK	cmyk(0%, 79.9%, 83.3%, 43.5%)
CIE-LAB	lab(31.52, 46.74, 33.43)
CIE-LCH	lch(31.52, 57.46, 35.57°)
OKLab	oklab(42.77% 0.1334 0.0715)
OKLCH	oklch(42.77% 0.151 28.2)
XYZ	xyz(12.1073, 6.8759, 1.5537)
Luminance	0.0687 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901D18 #188B90

analogous

#90184F #901D18 #905918

triadic

#901D18 #18901D #1D1890

tetradic

#901D18 #4F9018 #188B90 #591890

square

#901D18 #4F9018 #188B90 #591890

split-complementary

#901D18 #189059 #184F90

monochromatic

#270807 #5C120F #901D18 #C42821 #E04943

Accessibility & contrast

On white

8.84

#901D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901D18

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901D18	#FFFFFF	#000000	##FFFFFF
##901D18	1.00	8.84	2.37	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A16

Deuteranopia (green-blind)

#5E5312

Tritanopia (blue-blind)

#9F001D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901d18;
/* rgb */ color: rgb(144, 29, 24);
/* oklch */ color: oklch(42.8% 0.151 28.2);

Tailwind

colors: {
  custom: {
    50: '#b96456',
    500: '#901d18',
    950: '#000000',
  },
}

SCSS

$custom: #901d18;
$custom-light: #b96456;
$custom-dark: #000000;

JSON

{
  "hex": "#901d18",
  "rgb": {
    "r": 144,
    "g": 29,
    "b": 24
  },
  "hsl": {
    "h": 2.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.4277,
    "c": 0.15137,
    "h": 28.2
  },
  "luminance": 0.06874
}

Semantic roles & 50–950 ramp

primary

#901D18

secondary

#43BBC0

accent

#E7EE3A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901D18

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

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