#5F181B#5F181B

#5F181B is a dark, moderate red. Relative luminance 0.032; OKLCH L 32.9% C 0.102 H 22.6°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#5F181B
RGB	rgb(95, 24, 27)
HSL	hsl(357, 60%, 23%)
HSV	hsv(357, 75%, 37%)
CMYK	cmyk(0%, 74.7%, 71.6%, 62.7%)
CIE-LAB	lab(20.70, 32.17, 16.73)
CIE-LCH	lch(20.70, 36.26, 27.48°)
OKLab	oklab(32.88% 0.0946 0.0393)
OKLCH	oklch(32.88% 0.102 22.6)
XYZ	xyz(5.2443, 3.1661, 1.3717)
Luminance	0.0316 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F181B #185F5C

analogous

#5F183E #5F181B #5F3818

triadic

#5F181B #1B5F18 #181B5F

tetradic

#5F181B #3E5F18 #185F5C #38185F

square

#5F181B #3E5F18 #185F5C #38185F

split-complementary

#5F181B #185F38 #183E5F

monochromatic

#180607 #2E0C0D #5F181B #902429 #C13137

Accessibility & contrast

On white

12.86

#5F181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#5F181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5F181B

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F181B	#FFFFFF	#000000	##FFFFFF
##5F181B	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C281B

Deuteranopia (green-blind)

#3D3719

Tritanopia (blue-blind)

#69041A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #5f181b;
/* rgb */ color: rgb(95, 24, 27);
/* oklch */ color: oklch(32.9% 0.102 22.6);

Tailwind

colors: {
  custom: {
    50: '#925a57',
    500: '#5f181b',
    950: '#000000',
  },
}

SCSS

$custom: #5f181b;
$custom-light: #925a57;
$custom-dark: #000000;

JSON

{
  "hex": "#5f181b",
  "rgb": {
    "r": 95,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 357.465,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.32879,
    "c": 0.10243,
    "h": 22.6
  },
  "luminance": 0.03165
}

Semantic roles & 50–950 ramp

primary

#5F181B

secondary

#3D9592

accent

#E3DC45

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #5F181B

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

Preview Lab → · Contrast checker → · Palette generator →