#81171F#81171F

#81171F is a dark, vivid red. Relative luminance 0.054; OKLCH L 39.5% C 0.140 H 23.1°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#81171F
RGB	rgb(129, 23, 31)
HSL	hsl(355, 70%, 30%)
HSV	hsv(355, 82%, 51%)
CMYK	cmyk(0%, 82.2%, 76%, 49.4%)
CIE-LAB	lab(27.79, 44.16, 24.29)
CIE-LCH	lch(27.79, 50.40, 28.81°)
OKLab	oklab(39.47% 0.1288 0.0549)
OKLCH	oklch(39.47% 0.14 23.1)
XYZ	xyz(9.6081, 5.3804, 1.8287)
Luminance	0.0538 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81171F #178179

analogous

#811754 #81171F #814417

triadic

#81171F #1F8117 #171F81

tetradic

#81171F #548117 #178179 #441781

square

#81171F #548117 #178179 #441781

split-complementary

#81171F #178144 #175481

monochromatic

#1A0506 #4D0E13 #81171F #B5202B #DB3743

Accessibility & contrast

On white

10.12

#81171F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#81171F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81171F

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81171F	#FFFFFF	#000000	##FFFFFF
##81171F	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38331E

Deuteranopia (green-blind)

#524A1B

Tritanopia (blue-blind)

#8E001B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #81171f;
/* rgb */ color: rgb(129, 23, 31);
/* oklch */ color: oklch(39.5% 0.140 23.1);

Tailwind

colors: {
  custom: {
    50: '#ad605a',
    500: '#81171f',
    950: '#000000',
  },
}

SCSS

$custom: #81171f;
$custom-light: #ad605a;
$custom-dark: #000000;

JSON

{
  "hex": "#81171f",
  "rgb": {
    "r": 129,
    "g": 23,
    "b": 31
  },
  "hsl": {
    "h": 355.472,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.39466,
    "c": 0.14001,
    "h": 23.1
  },
  "luminance": 0.05379
}

Semantic roles & 50–950 ramp

primary

#81171F

secondary

#3EB5AC

accent

#EDDF3B

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120504

muted

#817979

Preview Lab

Preview with #81171F

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

Preview Lab → · Contrast checker → · Palette generator →