#5B191A#5B191A

#5B191A is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.097 H 23.5°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#5B191A
RGB	rgb(91, 25, 26)
HSL	hsl(359, 57%, 23%)
HSV	hsv(359, 73%, 36%)
CMYK	cmyk(0%, 72.5%, 71.4%, 64.3%)
CIE-LAB	lab(20.02, 30.17, 16.40)
CIE-LCH	lch(20.02, 34.34, 28.52°)
OKLab	oklab(32.22% 0.0886 0.0386)
OKLCH	oklch(32.22% 0.097 23.5)
XYZ	xyz(4.8490, 2.9947, 1.2998)
Luminance	0.0299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B191A #195B5A

analogous

#5B193B #5B191A #5B3919

triadic

#5B191A #1A5B19 #191A5B

tetradic

#5B191A #3B5B19 #195B5A #39195B

square

#5B191A #3B5B19 #195B5A #39195B

split-complementary

#5B191A #195B39 #193B5B

monochromatic

#180707 #2B0C0C #5B191A #8B2628 #BB3335

Accessibility & contrast

On white

13.13

#5B191A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#5B191A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B191A

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B191A	#FFFFFF	#000000	##FFFFFF
##5B191A	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2719

Deuteranopia (green-blind)

#3B3618

Tritanopia (blue-blind)

#64081A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5b191a;
/* rgb */ color: rgb(91, 25, 26);
/* oklch */ color: oklch(32.2% 0.097 23.5);

Tailwind

colors: {
  custom: {
    50: '#8f5a56',
    500: '#5b191a',
    950: '#000000',
  },
}

SCSS

$custom: #5b191a;
$custom-light: #8f5a56;
$custom-dark: #000000;

JSON

{
  "hex": "#5b191a",
  "rgb": {
    "r": 91,
    "g": 25,
    "b": 26
  },
  "hsl": {
    "h": 359.091,
    "s": 56.897,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32218,
    "c": 0.09662,
    "h": 23.5
  },
  "luminance": 0.02994
}

Semantic roles & 50–950 ramp

primary

#5B191A

secondary

#3F9190

accent

#E0DE48

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5B191A

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

Preview Lab → · Contrast checker → · Palette generator →