#5B170F#5B170F

#5B170F is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.8% C 0.101 H 30.2°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#5B170F
RGB	rgb(91, 23, 15)
HSL	hsl(6, 72%, 21%)
HSV	hsv(6, 84%, 36%)
CMYK	cmyk(0%, 74.7%, 83.5%, 64.3%)
CIE-LAB	lab(19.52, 30.50, 22.82)
CIE-LCH	lch(19.52, 38.09, 36.80°)
OKLab	oklab(31.79% 0.087 0.0506)
OKLCH	oklch(31.79% 0.101 30.2)
XYZ	xyz(4.7075, 2.8721, 0.7583)
Luminance	0.0287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B170F #0F535B

analogous

#5B0F2D #5B170F #5B3D0F

triadic

#5B170F #0F5B17 #170F5B

tetradic

#5B170F #2D5B0F #0F535B #3D0F5B

square

#5B170F #2D5B0F #0F535B #3D0F5B

split-complementary

#5B170F #0F5B3D #0F2D5B

monochromatic

#1A0704 #260A06 #5B170F #902418 #C43220

Accessibility & contrast

On white

13.34

#5B170F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#5B170F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B170F

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B170F	#FFFFFF	#000000	##FFFFFF
##5B170F	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B260E

Deuteranopia (green-blind)

#3C350C

Tritanopia (blue-blind)

#650216

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5b170f;
/* rgb */ color: rgb(91, 23, 15);
/* oklch */ color: oklch(31.8% 0.101 30.2);

Tailwind

colors: {
  custom: {
    50: '#90594e',
    500: '#5b170f',
    950: '#000000',
  },
}

SCSS

$custom: #5b170f;
$custom-light: #90594e;
$custom-dark: #000000;

JSON

{
  "hex": "#5b170f",
  "rgb": {
    "r": 91,
    "g": 23,
    "b": 15
  },
  "hsl": {
    "h": 6.316,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31792,
    "c": 0.10068,
    "h": 30.2
  },
  "luminance": 0.02871
}

Semantic roles & 50–950 ramp

primary

#5B170F

secondary

#318A95

accent

#DBEE39

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0401

muted

#7E7977

Preview Lab

Preview with #5B170F

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

Preview Lab → · Contrast checker → · Palette generator →