#851B29#851B29

#851B29 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.7% C 0.140 H 19.4°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#851B29
RGB	rgb(133, 27, 41)
HSL	hsl(352, 66%, 31%)
HSV	hsv(352, 80%, 52%)
CMYK	cmyk(0%, 79.7%, 69.2%, 47.8%)
CIE-LAB	lab(29.24, 44.65, 19.74)
CIE-LCH	lch(29.24, 48.82, 23.85°)
OKLab	oklab(40.74% 0.1321 0.0465)
OKLCH	oklch(40.74% 0.14 19.4)
XYZ	xyz(10.4662, 5.9321, 2.6913)
Luminance	0.0593 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851B29 #1B8577

analogous

#851B5E #851B29 #85421B

triadic

#851B29 #29851B #1B2985

tetradic

#851B29 #5E851B #1B8577 #421B85

square

#851B29 #5E851B #1B8577 #421B85

split-complementary

#851B29 #1B8542 #1B5E85

monochromatic

#1F060A #521119 #851B29 #B82539 #D94256

Accessibility & contrast

On white

9.61

#851B29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#851B29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851B29

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851B29	#FFFFFF	#000000	##FFFFFF
##851B29	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3729

Deuteranopia (green-blind)

#554D26

Tritanopia (blue-blind)

#930021

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851b29;
/* rgb */ color: rgb(133, 27, 41);
/* oklch */ color: oklch(40.7% 0.140 19.4);

Tailwind

colors: {
  custom: {
    50: '#b06262',
    500: '#851b29',
    950: '#000000',
  },
}

SCSS

$custom: #851b29;
$custom-light: #b06262;
$custom-dark: #000000;

JSON

{
  "hex": "#851b29",
  "rgb": {
    "r": 133,
    "g": 27,
    "b": 41
  },
  "hsl": {
    "h": 352.075,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40741,
    "c": 0.14009,
    "h": 19.4
  },
  "luminance": 0.05931
}

Semantic roles & 50–950 ramp

primary

#851B29

secondary

#44B8A9

accent

#E9D33F

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #851B29

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

Preview Lab → · Contrast checker → · Palette generator →