#851F15#851F15

#851F15 is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.8% C 0.139 H 29.8°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#851F15
RGB	rgb(133, 31, 21)
HSL	hsl(5, 73%, 30%)
HSV	hsv(5, 84%, 52%)
CMYK	cmyk(0%, 76.7%, 84.2%, 47.8%)
CIE-LAB	lab(29.47, 42.39, 32.34)
CIE-LCH	lch(29.47, 53.32, 37.34°)
OKLab	oklab(40.83% 0.1205 0.0691)
OKLCH	oklch(40.83% 0.139 29.8)
XYZ	xyz(10.2995, 6.0223, 1.3294)
Luminance	0.0602 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851F15 #157B85

analogous

#851543 #851F15 #855715

triadic

#851F15 #15851F #1F1585

tetradic

#851F15 #438515 #157B85 #571585

square

#851F15 #438515 #157B85 #571585

split-complementary

#851F15 #158557 #154385

monochromatic

#1B0604 #50130D #851F15 #BA2B1D #DF4435

Accessibility & contrast

On white

9.53

#851F15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#851F15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851F15

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851F15	#FFFFFF	#000000	##FFFFFF
##851F15	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3713

Deuteranopia (green-blind)

#574E10

Tritanopia (blue-blind)

#93001E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851f15;
/* rgb */ color: rgb(133, 31, 21);
/* oklch */ color: oklch(40.8% 0.139 29.8);

Tailwind

colors: {
  custom: {
    50: '#b16354',
    500: '#851f15',
    950: '#000000',
  },
}

SCSS

$custom: #851f15;
$custom-light: #b16354;
$custom-dark: #000000;

JSON

{
  "hex": "#851f15",
  "rgb": {
    "r": 133,
    "g": 31,
    "b": 21
  },
  "hsl": {
    "h": 5.357,
    "s": 72.727,
    "l": 30.196
  },
  "oklch": {
    "l": 0.40825,
    "c": 0.13886,
    "h": 29.8
  },
  "luminance": 0.06021
}

Semantic roles & 50–950 ramp

primary

#851F15

secondary

#3CAEB9

accent

#DFEF38

background

#FBF6F4

surface

#F7EBE7

border

#D0C6C3

text

#120602

muted

#817A78

Preview Lab

Preview with #851F15

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

Preview Lab → · Contrast checker → · Palette generator →