#77181C#77181C

#77181C is a dark, vivid red. Relative luminance 0.047; OKLCH L 37.6% C 0.129 H 24.1°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#77181C
RGB	rgb(119, 24, 28)
HSL	hsl(357, 66%, 28%)
HSV	hsv(357, 80%, 47%)
CMYK	cmyk(0%, 79.8%, 76.5%, 53.3%)
CIE-LAB	lab(25.74, 40.51, 23.30)
CIE-LCH	lch(25.74, 46.73, 29.91°)
OKLab	oklab(37.56% 0.1179 0.0527)
OKLCH	oklch(37.56% 0.129 24.1)
XYZ	xyz(8.1449, 4.6603, 1.5690)
Luminance	0.0466 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#77181C #187773

analogous

#77184B #77181C #774318

triadic

#77181C #1C7718 #181C77

tetradic

#77181C #4B7718 #187773 #431877

square

#77181C #4B7718 #187773 #431877

split-complementary

#77181C #187743 #184B77

monochromatic

#190506 #440E10 #77181C #AA2228 #D6333A

Accessibility & contrast

On white

10.87

#77181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#77181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #77181C

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##77181C	#FFFFFF	#000000	##FFFFFF
##77181C	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35301B

Deuteranopia (green-blind)

#4C4419

Tritanopia (blue-blind)

#83001B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #77181c;
/* rgb */ color: rgb(119, 24, 28);
/* oklch */ color: oklch(37.6% 0.129 24.1);

Tailwind

colors: {
  custom: {
    50: '#a65e58',
    500: '#77181c',
    950: '#000000',
  },
}

SCSS

$custom: #77181c;
$custom-light: #a65e58;
$custom-dark: #000000;

JSON

{
  "hex": "#77181c",
  "rgb": {
    "r": 119,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 357.474,
    "s": 66.434,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37555,
    "c": 0.12911,
    "h": 24.1
  },
  "luminance": 0.04659
}

Semantic roles & 50–950 ramp

primary

#77181C

secondary

#3FACA7

accent

#E9E23E

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #77181C

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

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