#5B372F#5B372F

#5B372F is a dark, muted red. Relative luminance 0.052; OKLCH L 37.8% C 0.054 H 33.2°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#5B372F
RGB	rgb(91, 55, 47)
HSL	hsl(11, 32%, 27%)
HSV	hsv(11, 48%, 36%)
CMYK	cmyk(0%, 39.6%, 48.4%, 64.3%)
CIE-LAB	lab(27.19, 15.04, 11.74)
CIE-LCH	lch(27.19, 19.08, 37.99°)
OKLab	oklab(37.8% 0.045 0.0295)
OKLCH	oklch(37.8% 0.054 33.2)
XYZ	xyz(6.1940, 5.1623, 3.3590)
Luminance	0.0516 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B372F #2F535B

analogous

#5B2F3D #5B372F #5B4D2F

triadic

#5B372F #2F5B37 #372F5B

tetradic

#5B372F #3D5B2F #2F535B #4D2F5B

square

#5B372F #3D5B2F #2F535B #4D2F5B

split-complementary

#5B372F #2F5B4D #2F3D5B

monochromatic

#140C0A #331F1A #5B372F #834F44 #AA695A

Accessibility & contrast

On white

10.33

#5B372F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#5B372F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B372F

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B372F	#FFFFFF	#000000	##FFFFFF
##5B372F	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3C2E

Deuteranopia (green-blind)

#48432F

Tritanopia (blue-blind)

#623235

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #5b372f;
/* rgb */ color: rgb(91, 55, 47);
/* oklch */ color: oklch(37.8% 0.054 33.2);

Tailwind

colors: {
  custom: {
    50: '#8b6e67',
    500: '#5b372f',
    950: '#000000',
  },
}

SCSS

$custom: #5b372f;
$custom-light: #8b6e67;
$custom-dark: #000000;

JSON

{
  "hex": "#5b372f",
  "rgb": {
    "r": 91,
    "g": 55,
    "b": 47
  },
  "hsl": {
    "h": 10.909,
    "s": 31.884,
    "l": 27.059
  },
  "oklch": {
    "l": 0.37803,
    "c": 0.05381,
    "h": 33.2
  },
  "luminance": 0.05162
}

Semantic roles & 50–950 ramp

primary

#5B372F

secondary

#59838D

accent

#B5C860

background

#F8F6F6

surface

#F0EBEB

border

#CBC6C6

text

#0C0706

muted

#7D7A7A

Preview Lab

Preview with #5B372F

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

Preview Lab → · Contrast checker → · Palette generator →