#5D181D#5D181D

#5D181D is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.5% C 0.100 H 20.7°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#5D181D
RGB	rgb(93, 24, 29)
HSL	hsl(356, 59%, 23%)
HSV	hsv(356, 74%, 36%)
CMYK	cmyk(0%, 74.2%, 68.8%, 63.5%)
CIE-LAB	lab(20.32, 31.57, 14.81)
CIE-LCH	lch(20.32, 34.87, 25.12°)
OKLab	oklab(32.53% 0.0934 0.0353)
OKLCH	oklch(32.53% 0.1 20.7)
XYZ	xyz(5.0631, 3.0699, 1.4881)
Luminance	0.0307 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5D181D #185D58

analogous

#5D183F #5D181D #5D3518

triadic

#5D181D #1D5D18 #181D5D

tetradic

#5D181D #3F5D18 #185D58 #35185D

square

#5D181D #3F5D18 #185D58 #35185D

split-complementary

#5D181D #185D35 #183F5D

monochromatic

#180608 #2C0B0E #5D181D #8E252C #BE313B

Accessibility & contrast

On white

13.01

#5D181D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#5D181D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5D181D

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5D181D	#FFFFFF	#000000	##FFFFFF
##5D181D	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281D

Deuteranopia (green-blind)

#3C361B

Tritanopia (blue-blind)

#67061A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #5d181d;
/* rgb */ color: rgb(93, 24, 29);
/* oklch */ color: oklch(32.5% 0.100 20.7);

Tailwind

colors: {
  custom: {
    50: '#905a58',
    500: '#5d181d',
    950: '#000000',
  },
}

SCSS

$custom: #5d181d;
$custom-light: #905a58;
$custom-dark: #000000;

JSON

{
  "hex": "#5d181d",
  "rgb": {
    "r": 93,
    "g": 24,
    "b": 29
  },
  "hsl": {
    "h": 355.652,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32535,
    "c": 0.09988,
    "h": 20.7
  },
  "luminance": 0.03069
}

Semantic roles & 50–950 ramp

primary

#5D181D

secondary

#3D938D

accent

#E2D746

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #5D181D

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

Preview Lab → · Contrast checker → · Palette generator →