#771B1F#771B1F

#771B1F is a dark, vivid red. Relative luminance 0.048; OKLCH L 37.9% C 0.126 H 23.5°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#771B1F
RGB	rgb(119, 27, 31)
HSL	hsl(357, 63%, 29%)
HSV	hsv(357, 77%, 47%)
CMYK	cmyk(0%, 77.3%, 73.9%, 53.3%)
CIE-LAB	lab(26.17, 39.58, 21.87)
CIE-LCH	lch(26.17, 45.21, 28.92°)
OKLab	oklab(37.89% 0.1156 0.0502)
OKLCH	oklch(37.89% 0.126 23.5)
XYZ	xyz(8.2479, 4.8060, 1.7894)
Luminance	0.0481 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#771B1F #1B7773

analogous

#771B4D #771B1F #77451B

triadic

#771B1F #1F771B #1B1F77

tetradic

#771B1F #4D771B #1B7773 #451B77

square

#771B1F #4D771B #1B7773 #451B77

split-complementary

#771B1F #1B7745 #1B4D77

monochromatic

#190606 #451012 #771B1F #A9262C #D23A41

Accessibility & contrast

On white

10.71

#771B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#771B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #771B1F

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##771B1F	#FFFFFF	#000000	##FFFFFF
##771B1F	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311E

Deuteranopia (green-blind)

#4D451C

Tritanopia (blue-blind)

#83001D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #771b1f;
/* rgb */ color: rgb(119, 27, 31);
/* oklch */ color: oklch(37.9% 0.126 23.5);

Tailwind

colors: {
  custom: {
    50: '#a5605a',
    500: '#771b1f',
    950: '#000000',
  },
}

SCSS

$custom: #771b1f;
$custom-light: #a5605a;
$custom-dark: #000000;

JSON

{
  "hex": "#771b1f",
  "rgb": {
    "r": 119,
    "g": 27,
    "b": 31
  },
  "hsl": {
    "h": 357.391,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37889,
    "c": 0.12606,
    "h": 23.5
  },
  "luminance": 0.04805
}

Semantic roles & 50–950 ramp

primary

#771B1F

secondary

#42ABA7

accent

#E6DF42

background

#FAF5F5

surface

#F5EAE9

border

#CFC6C5

text

#110504

muted

#807979

Preview Lab

Preview with #771B1F

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

Preview Lab → · Contrast checker → · Palette generator →