#901816#901816

#901816 is a dark, vivid red. Relative luminance 0.066; OKLCH L 42.4% C 0.155 H 27.6°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#901816
RGB	rgb(144, 24, 22)
HSL	hsl(1, 73%, 33%)
HSV	hsv(1, 85%, 56%)
CMYK	cmyk(0%, 83.3%, 84.7%, 43.5%)
CIE-LAB	lab(30.98, 48.16, 34.03)
CIE-LCH	lch(30.98, 58.97, 35.24°)
OKLab	oklab(42.36% 0.1375 0.072)
OKLCH	oklch(42.36% 0.155 27.6)
XYZ	xyz(11.9746, 6.6425, 1.4105)
Luminance	0.0664 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901816 #168E90

analogous

#901651 #901816 #905516

triadic

#901816 #169018 #181690

tetradic

#901816 #519016 #168E90 #551690

square

#901816 #519016 #168E90 #551690

split-complementary

#901816 #169055 #165190

monochromatic

#260606 #5B0F0E #901816 #C5211E #E2413F

Accessibility & contrast

On white

9.02

#901816 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#901816 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901816

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901816	#FFFFFF	#000000	##FFFFFF
##901816	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3814

Deuteranopia (green-blind)

#5D520F

Tritanopia (blue-blind)

#9F001A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901816;
/* rgb */ color: rgb(144, 24, 22);
/* oklch */ color: oklch(42.4% 0.155 27.6);

Tailwind

colors: {
  custom: {
    50: '#ba6254',
    500: '#901816',
    950: '#000000',
  },
}

SCSS

$custom: #901816;
$custom-light: #ba6254;
$custom-dark: #000000;

JSON

{
  "hex": "#901816",
  "rgb": {
    "r": 144,
    "g": 24,
    "b": 22
  },
  "hsl": {
    "h": 0.984,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.4236,
    "c": 0.15519,
    "h": 27.6
  },
  "luminance": 0.0664
}

Semantic roles & 50–950 ramp

primary

#901816

secondary

#40C0C2

accent

#EDF038

background

#FCF6F4

surface

#F8EBE8

border

#D1C6C4

text

#130603

muted

#827A78

Preview Lab

Preview with #901816

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

Preview Lab → · Contrast checker → · Palette generator →