#5B1319#5B1319

#5B1319 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.103 H 21.2°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#5B1319
RGB	rgb(91, 19, 25)
HSL	hsl(355, 65%, 22%)
HSV	hsv(355, 79%, 36%)
CMYK	cmyk(0%, 79.1%, 72.5%, 64.3%)
CIE-LAB	lab(19.06, 32.71, 15.89)
CIE-LCH	lch(19.06, 36.36, 25.92°)
OKLab	oklab(31.49% 0.0964 0.0373)
OKLCH	oklch(31.49% 0.103 21.2)
XYZ	xyz(4.7232, 2.7608, 1.2037)
Luminance	0.0276 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1319 #135B55

analogous

#5B133D #5B1319 #5B3113

triadic

#5B1319 #195B13 #13195B

tetradic

#5B1319 #3D5B13 #135B55 #31135B

square

#5B1319 #3D5B13 #135B55 #31135B

split-complementary

#5B1319 #135B31 #133D5B

monochromatic

#190507 #28080B #5B1319 #8E1E27 #C02835

Accessibility & contrast

On white

13.53

#5B1319 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5B1319 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1319

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1319	#FFFFFF	#000000	##FFFFFF
##5B1319	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282419

Deuteranopia (green-blind)

#3A3417

Tritanopia (blue-blind)

#650016

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b1319;
/* rgb */ color: rgb(91, 19, 25);
/* oklch */ color: oklch(31.5% 0.103 21.2);

Tailwind

colors: {
  custom: {
    50: '#8f5755',
    500: '#5b1319',
    950: '#000000',
  },
}

SCSS

$custom: #5b1319;
$custom-light: #8f5755;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1319",
  "rgb": {
    "r": 91,
    "g": 19,
    "b": 25
  },
  "hsl": {
    "h": 355,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31493,
    "c": 0.10336,
    "h": 21.2
  },
  "luminance": 0.0276
}

Semantic roles & 50–950 ramp

primary

#5B1319

secondary

#37938B

accent

#E8DA3F

background

#F9F5F4

surface

#F2E9E8

border

#CCC5C4

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5B1319

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

Preview Lab → · Contrast checker → · Palette generator →