#5C181E#5C181E

#5C181E is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.4% C 0.099 H 19.7°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#5C181E
RGB	rgb(92, 24, 30)
HSL	hsl(355, 59%, 23%)
HSV	hsv(355, 74%, 36%)
CMYK	cmyk(0%, 73.9%, 67.4%, 63.9%)
CIE-LAB	lab(20.14, 31.28, 13.84)
CIE-LCH	lch(20.14, 34.20, 23.86°)
OKLab	oklab(32.37% 0.0928 0.0333)
OKLCH	oklch(32.37% 0.099 19.7)
XYZ	xyz(4.9751, 3.0230, 1.5496)
Luminance	0.0302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C181E #185C56

analogous

#5C1840 #5C181E #5C3418

triadic

#5C181E #1E5C18 #181E5C

tetradic

#5C181E #405C18 #185C56 #34185C

square

#5C181E #405C18 #185C56 #34185C

split-complementary

#5C181E #185C34 #18405C

monochromatic

#180608 #2B0B0E #5C181E #8D252E #BD313E

Accessibility & contrast

On white

13.09

#5C181E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#5C181E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5C181E

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C181E	#FFFFFF	#000000	##FFFFFF
##5C181E	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271E

Deuteranopia (green-blind)

#3B361C

Tritanopia (blue-blind)

#65071B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #5c181e;
/* rgb */ color: rgb(92, 24, 30);
/* oklch */ color: oklch(32.4% 0.099 19.7);

Tailwind

colors: {
  custom: {
    50: '#8f5a59',
    500: '#5c181e',
    950: '#000000',
  },
}

SCSS

$custom: #5c181e;
$custom-light: #8f5a59;
$custom-dark: #000000;

JSON

{
  "hex": "#5c181e",
  "rgb": {
    "r": 92,
    "g": 24,
    "b": 30
  },
  "hsl": {
    "h": 354.706,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32365,
    "c": 0.09862,
    "h": 19.7
  },
  "luminance": 0.03022
}

Semantic roles & 50–950 ramp

primary

#5C181E

secondary

#3D938B

accent

#E2D446

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5C181E

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

Preview Lab → · Contrast checker → · Palette generator →