#78181F#78181F

#78181F is a dark, vivid red. Relative luminance 0.047; OKLCH L 37.8% C 0.130 H 22.6°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#78181F
RGB	rgb(120, 24, 31)
HSL	hsl(356, 67%, 28%)
HSV	hsv(356, 80%, 47%)
CMYK	cmyk(0%, 80%, 74.2%, 52.9%)
CIE-LAB	lab(26.00, 40.98, 21.71)
CIE-LCH	lch(26.00, 46.37, 27.92°)
OKLab	oklab(37.8% 0.1199 0.0498)
OKLCH	oklch(37.8% 0.13 22.6)
XYZ	xyz(8.3206, 4.7466, 1.7741)
Luminance	0.0474 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78181F #187871

analogous

#78184F #78181F #784118

triadic

#78181F #1F7818 #181F78

tetradic

#78181F #4F7818 #187871 #411878

square

#78181F #4F7818 #187871 #411878

split-complementary

#78181F #187841 #184F78

monochromatic

#1A0507 #450E12 #78181F #AB222C #D63440

Accessibility & contrast

On white

10.77

#78181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#78181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #78181F

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78181F	#FFFFFF	#000000	##FFFFFF
##78181F	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35301E

Deuteranopia (green-blind)

#4D451C

Tritanopia (blue-blind)

#85001C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #78181f;
/* rgb */ color: rgb(120, 24, 31);
/* oklch */ color: oklch(37.8% 0.130 22.6);

Tailwind

colors: {
  custom: {
    50: '#a65e5a',
    500: '#78181f',
    950: '#000000',
  },
}

SCSS

$custom: #78181f;
$custom-light: #a65e5a;
$custom-dark: #000000;

JSON

{
  "hex": "#78181f",
  "rgb": {
    "r": 120,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 355.625,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37797,
    "c": 0.12987,
    "h": 22.6
  },
  "luminance": 0.04745
}

Semantic roles & 50–950 ramp

primary

#78181F

secondary

#3FADA5

accent

#EADD3E

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110504

muted

#807979

Preview Lab

Preview with #78181F

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

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