#78181C#78181C

#78181C is a dark, vivid red. Relative luminance 0.047; OKLCH L 37.8% C 0.130 H 24.2°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#78181C
RGB	rgb(120, 24, 28)
HSL	hsl(358, 67%, 28%)
HSV	hsv(358, 80%, 47%)
CMYK	cmyk(0%, 80%, 76.7%, 52.9%)
CIE-LAB	lab(25.96, 40.83, 23.60)
CIE-LCH	lch(25.96, 47.16, 30.03°)
OKLab	oklab(37.75% 0.1188 0.0533)
OKLCH	oklch(37.75% 0.13 24.2)
XYZ	xyz(8.2829, 4.7315, 1.5755)
Luminance	0.0473 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78181C #187874

analogous

#78184C #78181C #784418

triadic

#78181C #1C7818 #181C78

tetradic

#78181C #4C7818 #187874 #441878

square

#78181C #4C7818 #187874 #441878

split-complementary

#78181C #187844 #184C78

monochromatic

#1A0506 #450E10 #78181C #AB2228 #D6343B

Accessibility & contrast

On white

10.79

#78181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#78181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #78181C

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78181C	#FFFFFF	#000000	##FFFFFF
##78181C	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35301B

Deuteranopia (green-blind)

#4D4518

Tritanopia (blue-blind)

#85001B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #78181c;
/* rgb */ color: rgb(120, 24, 28);
/* oklch */ color: oklch(37.8% 0.130 24.2);

Tailwind

colors: {
  custom: {
    50: '#a65e58',
    500: '#78181c',
    950: '#000000',
  },
}

SCSS

$custom: #78181c;
$custom-light: #a65e58;
$custom-dark: #000000;

JSON

{
  "hex": "#78181c",
  "rgb": {
    "r": 120,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 357.5,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3775,
    "c": 0.13017,
    "h": 24.2
  },
  "luminance": 0.0473
}

Semantic roles & 50–950 ramp

primary

#78181C

secondary

#3FADA8

accent

#EAE23E

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #78181C

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

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