#77181B#77181B

#77181B is a dark, vivid red. Relative luminance 0.047; OKLCH L 37.5% C 0.129 H 24.6°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#77181B
RGB	rgb(119, 24, 27)
HSL	hsl(358, 66%, 28%)
HSV	hsv(358, 80%, 47%)
CMYK	cmyk(0%, 79.8%, 77.3%, 53.3%)
CIE-LAB	lab(25.73, 40.46, 23.93)
CIE-LCH	lch(25.73, 47.01, 30.60°)
OKLab	oklab(37.54% 0.1175 0.0538)
OKLCH	oklch(37.54% 0.129 24.6)
XYZ	xyz(8.1332, 4.6556, 1.5071)
Luminance	0.0465 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#77181B #187774

analogous

#77184A #77181B #774418

triadic

#77181B #1B7718 #181B77

tetradic

#77181B #4A7718 #187774 #441877

square

#77181B #4A7718 #187774 #441877

split-complementary

#77181B #187744 #184A77

monochromatic

#190506 #440E0F #77181B #AA2227 #D63339

Accessibility & contrast

On white

10.88

#77181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#77181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #77181B

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##77181B	#FFFFFF	#000000	##FFFFFF
##77181B	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35301A

Deuteranopia (green-blind)

#4C4417

Tritanopia (blue-blind)

#84001A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #77181b;
/* rgb */ color: rgb(119, 24, 27);
/* oklch */ color: oklch(37.5% 0.129 24.6);

Tailwind

colors: {
  custom: {
    50: '#a65e57',
    500: '#77181b',
    950: '#000000',
  },
}

SCSS

$custom: #77181b;
$custom-light: #a65e57;
$custom-dark: #000000;

JSON

{
  "hex": "#77181b",
  "rgb": {
    "r": 119,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 358.105,
    "s": 66.434,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3754,
    "c": 0.12923,
    "h": 24.6
  },
  "luminance": 0.04654
}

Semantic roles & 50–950 ramp

primary

#77181B

secondary

#3FACA9

accent

#E9E43E

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #77181B

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

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