#771B1B#771B1B

#771B1B is a dark, vivid red. Relative luminance 0.048; OKLCH L 37.8% C 0.127 H 25.7°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#771B1B
RGB	rgb(119, 27, 27)
HSL	hsl(0, 63%, 29%)
HSV	hsv(0, 77%, 47%)
CMYK	cmyk(0%, 77.3%, 77.3%, 53.3%)
CIE-LAB	lab(26.12, 39.38, 24.37)
CIE-LCH	lch(26.12, 46.31, 31.74°)
OKLab	oklab(37.83% 0.1141 0.0548)
OKLCH	oklch(37.83% 0.127 25.7)
XYZ	xyz(8.1985, 4.7862, 1.5288)
Luminance	0.0478 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#771B1B #1B7777

analogous

#771B49 #771B1B #77491B

triadic

#771B1B #1B771B #1B1B77

tetradic

#771B1B #49771B #1B7777 #491B77

square

#771B1B #49771B #1B7777 #491B77

split-complementary

#771B1B #1B7749 #1B4977

monochromatic

#190606 #451010 #771B1B #A92626 #D23A3A

Accessibility & contrast

On white

10.73

#771B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#771B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #771B1B

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##771B1B	#FFFFFF	#000000	##FFFFFF
##771B1B	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311A

Deuteranopia (green-blind)

#4D4518

Tritanopia (blue-blind)

#83001C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #771b1b;
/* rgb */ color: rgb(119, 27, 27);
/* oklch */ color: oklch(37.8% 0.127 25.7);

Tailwind

colors: {
  custom: {
    50: '#a65f57',
    500: '#771b1b',
    950: '#000000',
  },
}

SCSS

$custom: #771b1b;
$custom-light: #a65f57;
$custom-dark: #000000;

JSON

{
  "hex": "#771b1b",
  "rgb": {
    "r": 119,
    "g": 27,
    "b": 27
  },
  "hsl": {
    "h": 0,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37828,
    "c": 0.12653,
    "h": 25.7
  },
  "luminance": 0.04785
}

Semantic roles & 50–950 ramp

primary

#771B1B

secondary

#42ABAB

accent

#E6E642

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #771B1B

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

Preview Lab → · Contrast checker → · Palette generator →