#5B170D#5B170D

#5B170D is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.8% C 0.101 H 31.3°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#5B170D
RGB	rgb(91, 23, 13)
HSL	hsl(8, 75%, 20%)
HSV	hsv(8, 86%, 36%)
CMYK	cmyk(0%, 74.7%, 85.7%, 64.3%)
CIE-LAB	lab(19.50, 30.42, 23.80)
CIE-LCH	lch(19.50, 38.62, 38.04°)
OKLab	oklab(31.77% 0.0863 0.0526)
OKLCH	oklch(31.77% 0.101 31.3)
XYZ	xyz(4.6940, 2.8667, 0.6869)
Luminance	0.0287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B170D #0D515B

analogous

#5B0D2A #5B170D #5B3E0D

triadic

#5B170D #0D5B17 #170D5B

tetradic

#5B170D #2A5B0D #0D515B #3E0D5B

square

#5B170D #2A5B0D #0D515B #3E0D5B

split-complementary

#5B170D #0D5B3E #0D2A5B

monochromatic

#1B0704 #250905 #5B170D #912515 #C6321C

Accessibility & contrast

On white

13.35

#5B170D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#5B170D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B170D

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B170D	#FFFFFF	#000000	##FFFFFF
##5B170D	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B260B

Deuteranopia (green-blind)

#3C350A

Tritanopia (blue-blind)

#650115

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5b170d;
/* rgb */ color: rgb(91, 23, 13);
/* oklch */ color: oklch(31.8% 0.101 31.3);

Tailwind

colors: {
  custom: {
    50: '#90594d',
    500: '#5b170d',
    950: '#000000',
  },
}

SCSS

$custom: #5b170d;
$custom-light: #90594d;
$custom-dark: #000000;

JSON

{
  "hex": "#5b170d",
  "rgb": {
    "r": 91,
    "g": 23,
    "b": 13
  },
  "hsl": {
    "h": 7.692,
    "s": 75,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31769,
    "c": 0.10106,
    "h": 31.3
  },
  "luminance": 0.02866
}

Semantic roles & 50–950 ramp

primary

#5B170D

secondary

#2F8895

accent

#DAF236

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0401

muted

#7E7977

Preview Lab

Preview with #5B170D

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

Preview Lab → · Contrast checker → · Palette generator →