#5B171E#5B171E

#5B171E is a dark, moderate red. Relative luminance 0.029; OKLCH L 32.1% C 0.099 H 19.0°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#5B171E
RGB	rgb(91, 23, 30)
HSL	hsl(354, 60%, 22%)
HSV	hsv(354, 75%, 36%)
CMYK	cmyk(0%, 74.7%, 67%, 64.3%)
CIE-LAB	lab(19.77, 31.36, 13.32)
CIE-LCH	lch(19.77, 34.07, 23.01°)
OKLab	oklab(32.05% 0.0932 0.0321)
OKLCH	oklch(32.05% 0.099 19)
XYZ	xyz(4.8556, 2.9314, 1.5382)
Luminance	0.0293 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B171E #175B54

analogous

#5B1740 #5B171E #5B3217

triadic

#5B171E #1E5B17 #171E5B

tetradic

#5B171E #405B17 #175B54 #32175B

square

#5B171E #405B17 #175B54 #32175B

split-complementary

#5B171E #175B32 #17405B

monochromatic

#180608 #2A0B0E #5B171E #8C232E #BD303E

Accessibility & contrast

On white

13.24

#5B171E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#5B171E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B171E

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B171E	#FFFFFF	#000000	##FFFFFF
##5B171E	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29271E

Deuteranopia (green-blind)

#3A351C

Tritanopia (blue-blind)

#64061A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5b171e;
/* rgb */ color: rgb(91, 23, 30);
/* oklch */ color: oklch(32.1% 0.099 19.0);

Tailwind

colors: {
  custom: {
    50: '#8f5959',
    500: '#5b171e',
    950: '#000000',
  },
}

SCSS

$custom: #5b171e;
$custom-light: #8f5959;
$custom-dark: #000000;

JSON

{
  "hex": "#5b171e",
  "rgb": {
    "r": 91,
    "g": 23,
    "b": 30
  },
  "hsl": {
    "h": 353.824,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.32051,
    "c": 0.09862,
    "h": 19
  },
  "luminance": 0.02931
}

Semantic roles & 50–950 ramp

primary

#5B171E

secondary

#3C9289

accent

#E3D345

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5B171E

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

Preview Lab → · Contrast checker → · Palette generator →