#771B21#771B21

#771B21 is a dark, vivid red. Relative luminance 0.048; OKLCH L 37.9% C 0.126 H 22.3°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#771B21
RGB	rgb(119, 27, 33)
HSL	hsl(356, 63%, 29%)
HSV	hsv(356, 77%, 47%)
CMYK	cmyk(0%, 77.3%, 72.3%, 53.3%)
CIE-LAB	lab(26.21, 39.68, 20.60)
CIE-LCH	lch(26.21, 44.71, 27.44°)
OKLab	oklab(37.92% 0.1164 0.0478)
OKLCH	oklch(37.92% 0.126 22.3)
XYZ	xyz(8.2751, 4.8169, 1.9326)
Luminance	0.0482 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#771B21 #1B7771

analogous

#771B4F #771B21 #77431B

triadic

#771B21 #21771B #1B2177

tetradic

#771B21 #4F771B #1B7771 #431B77

square

#771B21 #4F771B #1B7771 #431B77

split-complementary

#771B21 #1B7743 #1B4F77

monochromatic

#190607 #451013 #771B21 #A9262F #D23A44

Accessibility & contrast

On white

10.70

#771B21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#771B21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #771B21

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##771B21	#FFFFFF	#000000	##FFFFFF
##771B21	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363120

Deuteranopia (green-blind)

#4D451E

Tritanopia (blue-blind)

#83001E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #771b21;
/* rgb */ color: rgb(119, 27, 33);
/* oklch */ color: oklch(37.9% 0.126 22.3);

Tailwind

colors: {
  custom: {
    50: '#a5605c',
    500: '#771b21',
    950: '#000000',
  },
}

SCSS

$custom: #771b21;
$custom-light: #a5605c;
$custom-dark: #000000;

JSON

{
  "hex": "#771b21",
  "rgb": {
    "r": 119,
    "g": 27,
    "b": 33
  },
  "hsl": {
    "h": 356.087,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37923,
    "c": 0.12585,
    "h": 22.3
  },
  "luminance": 0.04816
}

Semantic roles & 50–950 ramp

primary

#771B21

secondary

#42ABA5

accent

#E6DB42

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#110504

muted

#807979

Preview Lab

Preview with #771B21

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

Preview Lab → · Contrast checker → · Palette generator →