#80181F#80181F

#80181F is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.4% C 0.138 H 23.3°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#80181F
RGB	rgb(128, 24, 31)
HSL	hsl(356, 68%, 30%)
HSV	hsv(356, 81%, 50%)
CMYK	cmyk(0%, 81.3%, 75.8%, 49.8%)
CIE-LAB	lab(27.69, 43.54, 24.11)
CIE-LCH	lch(27.69, 49.77, 28.98°)
OKLab	oklab(39.35% 0.1269 0.0546)
OKLCH	oklch(39.35% 0.138 23.3)
XYZ	xyz(9.4772, 5.3429, 1.8283)
Luminance	0.0534 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#80181F #188079

analogous

#801853 #80181F #804518

triadic

#80181F #1F8018 #181F80

tetradic

#80181F #538018 #188079 #451880

square

#80181F #538018 #188079 #451880

split-complementary

#80181F #188045 #185380

monochromatic

#1A0506 #4C0E13 #80181F #B4222B #DA3943

Accessibility & contrast

On white

10.15

#80181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#80181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #80181F

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##80181F	#FFFFFF	#000000	##FFFFFF
##80181F	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38331E

Deuteranopia (green-blind)

#52491B

Tritanopia (blue-blind)

#8D001C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #80181f;
/* rgb */ color: rgb(128, 24, 31);
/* oklch */ color: oklch(39.4% 0.138 23.3);

Tailwind

colors: {
  custom: {
    50: '#ad605a',
    500: '#80181f',
    950: '#000000',
  },
}

SCSS

$custom: #80181f;
$custom-light: #ad605a;
$custom-dark: #000000;

JSON

{
  "hex": "#80181f",
  "rgb": {
    "r": 128,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 355.962,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.39353,
    "c": 0.13819,
    "h": 23.3
  },
  "luminance": 0.05341
}

Semantic roles & 50–950 ramp

primary

#80181F

secondary

#40B4AC

accent

#EBE03D

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120504

muted

#817979

Preview Lab

Preview with #80181F

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

Preview Lab → · Contrast checker → · Palette generator →