#5B1516#5B1516

#5B1516 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.7% C 0.102 H 24.4°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#5B1516
RGB	rgb(91, 21, 22)
HSL	hsl(359, 63%, 22%)
HSV	hsv(359, 77%, 36%)
CMYK	cmyk(0%, 76.9%, 75.8%, 64.3%)
CIE-LAB	lab(19.30, 31.71, 18.24)
CIE-LCH	lch(19.30, 36.58, 29.91°)
OKLab	oklab(31.66% 0.0925 0.042)
OKLCH	oklch(31.66% 0.102 24.4)
XYZ	xyz(4.7279, 2.8191, 1.0541)
Luminance	0.0282 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1516 #155B5A

analogous

#5B1539 #5B1516 #5B3715

triadic

#5B1516 #165B15 #15165B

tetradic

#5B1516 #395B15 #155B5A #37155B

square

#5B1516 #395B15 #155B5A #37155B

split-complementary

#5B1516 #155B37 #15395B

monochromatic

#190606 #290A0A #5B1516 #8D2022 #BE2C2E

Accessibility & contrast

On white

13.43

#5B1516 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#5B1516 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1516

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1516	#FFFFFF	#000000	##FFFFFF
##5B1516	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292515

Deuteranopia (green-blind)

#3B3414

Tritanopia (blue-blind)

#650016

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5b1516;
/* rgb */ color: rgb(91, 21, 22);
/* oklch */ color: oklch(31.7% 0.102 24.4);

Tailwind

colors: {
  custom: {
    50: '#8f5853',
    500: '#5b1516',
    950: '#000000',
  },
}

SCSS

$custom: #5b1516;
$custom-light: #8f5853;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1516",
  "rgb": {
    "r": 91,
    "g": 21,
    "b": 22
  },
  "hsl": {
    "h": 359.143,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31659,
    "c": 0.10158,
    "h": 24.4
  },
  "luminance": 0.02818
}

Semantic roles & 50–950 ramp

primary

#5B1516

secondary

#399291

accent

#E6E342

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0402

muted

#7E7978

Preview Lab

Preview with #5B1516

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

Preview Lab → · Contrast checker → · Palette generator →