#5E181B#5E181B

#5E181B is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.7% C 0.101 H 22.5°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#5E181B
RGB	rgb(94, 24, 27)
HSL	hsl(357, 59%, 23%)
HSV	hsv(357, 74%, 37%)
CMYK	cmyk(0%, 74.5%, 71.3%, 63.1%)
CIE-LAB	lab(20.49, 31.81, 16.43)
CIE-LCH	lch(20.49, 35.80, 27.32°)
OKLab	oklab(32.69% 0.0936 0.0387)
OKLCH	oklch(32.69% 0.101 22.5)
XYZ	xyz(5.1411, 3.1128, 1.3668)
Luminance	0.0311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5E181B #185E5B

analogous

#5E183E #5E181B #5E3818

triadic

#5E181B #1B5E18 #181B5E

tetradic

#5E181B #3E5E18 #185E5B #38185E

square

#5E181B #3E5E18 #185E5B #38185E

split-complementary

#5E181B #185E38 #183E5E

monochromatic

#180607 #2D0C0D #5E181B #8F2429 #C03137

Accessibility & contrast

On white

12.94

#5E181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#5E181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5E181B

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5E181B	#FFFFFF	#000000	##FFFFFF
##5E181B	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281B

Deuteranopia (green-blind)

#3D3719

Tritanopia (blue-blind)

#68041A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #5e181b;
/* rgb */ color: rgb(94, 24, 27);
/* oklch */ color: oklch(32.7% 0.101 22.5);

Tailwind

colors: {
  custom: {
    50: '#915a57',
    500: '#5e181b',
    950: '#000000',
  },
}

SCSS

$custom: #5e181b;
$custom-light: #915a57;
$custom-dark: #000000;

JSON

{
  "hex": "#5e181b",
  "rgb": {
    "r": 94,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 357.429,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.32687,
    "c": 0.10124,
    "h": 22.5
  },
  "luminance": 0.03112
}

Semantic roles & 50–950 ramp

primary

#5E181B

secondary

#3D9491

accent

#E3DC45

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #5E181B

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

Preview Lab → · Contrast checker → · Palette generator →