#5B221D#5B221D

#5B221D is a dark, moderate red. Relative luminance 0.035; OKLCH L 33.6% C 0.085 H 27.6°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#5B221D
RGB	rgb(91, 34, 29)
HSL	hsl(5, 52%, 24%)
HSV	hsv(5, 68%, 36%)
CMYK	cmyk(0%, 62.6%, 68.1%, 64.3%)
CIE-LAB	lab(21.79, 25.80, 16.58)
CIE-LCH	lch(21.79, 30.67, 32.71°)
OKLab	oklab(33.56% 0.0755 0.0394)
OKLCH	oklch(33.56% 0.085 27.6)
XYZ	xyz(5.1087, 3.4576, 1.5605)
Luminance	0.0346 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B221D #1D565B

analogous

#5B1D37 #5B221D #5B411D

triadic

#5B221D #1D5B22 #221D5B

tetradic

#5B221D #375B1D #1D565B #411D5B

square

#5B221D #375B1D #1D565B #411D5B

split-complementary

#5B221D #1D5B41 #1D375B

monochromatic

#170907 #2D110E #5B221D #89332C #B8453B

Accessibility & contrast

On white

12.42

#5B221D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#5B221D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B221D

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B221D	#FFFFFF	#000000	##FFFFFF
##5B221D	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D1C

Deuteranopia (green-blind)

#3F391C

Tritanopia (blue-blind)

#641721

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #5b221d;
/* rgb */ color: rgb(91, 34, 29);
/* oklch */ color: oklch(33.6% 0.085 27.6);

Tailwind

colors: {
  custom: {
    50: '#8e5f59',
    500: '#5b221d',
    950: '#000000',
  },
}

SCSS

$custom: #5b221d;
$custom-light: #8e5f59;
$custom-dark: #000000;

JSON

{
  "hex": "#5b221d",
  "rgb": {
    "r": 91,
    "g": 34,
    "b": 29
  },
  "hsl": {
    "h": 4.839,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33564,
    "c": 0.08514,
    "h": 27.6
  },
  "luminance": 0.03457
}

Semantic roles & 50–950 ramp

primary

#5B221D

secondary

#448A90

accent

#D0DB4D

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0503

muted

#7E7978

Preview Lab

Preview with #5B221D

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

Preview Lab → · Contrast checker → · Palette generator →