#5B1317#5B1317

#5B1317 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.104 H 22.7°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#5B1317
RGB	rgb(91, 19, 23)
HSL	hsl(357, 65%, 22%)
HSV	hsv(357, 79%, 36%)
CMYK	cmyk(0%, 79.1%, 74.7%, 64.3%)
CIE-LAB	lab(19.02, 32.59, 17.23)
CIE-LCH	lch(19.02, 36.86, 27.86°)
OKLab	oklab(31.46% 0.0955 0.0399)
OKLCH	oklch(31.46% 0.104 22.7)
XYZ	xyz(4.7024, 2.7525, 1.0941)
Luminance	0.0275 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1317 #135B57

analogous

#5B133B #5B1317 #5B3313

triadic

#5B1317 #175B13 #13175B

tetradic

#5B1317 #3B5B13 #135B57 #33135B

square

#5B1317 #3B5B13 #135B57 #33135B

split-complementary

#5B1317 #135B33 #133B5B

monochromatic

#190506 #28080A #5B1317 #8E1E24 #C02831

Accessibility & contrast

On white

13.54

#5B1317 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5B1317 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1317

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1317	#FFFFFF	#000000	##FFFFFF
##5B1317	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282417

Deuteranopia (green-blind)

#3A3415

Tritanopia (blue-blind)

#650015

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b1317;
/* rgb */ color: rgb(91, 19, 23);
/* oklch */ color: oklch(31.5% 0.104 22.7);

Tailwind

colors: {
  custom: {
    50: '#905753',
    500: '#5b1317',
    950: '#000000',
  },
}

SCSS

$custom: #5b1317;
$custom-light: #905753;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1317",
  "rgb": {
    "r": 91,
    "g": 19,
    "b": 23
  },
  "hsl": {
    "h": 356.667,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31455,
    "c": 0.10354,
    "h": 22.7
  },
  "luminance": 0.02752
}

Semantic roles & 50–950 ramp

primary

#5B1317

secondary

#37938E

accent

#E8DF3F

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0302

muted

#7E7878

Preview Lab

Preview with #5B1317

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

Preview Lab → · Contrast checker → · Palette generator →