#5B1016#5B1016

#5B1016 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.107 H 22.1°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#5B1016
RGB	rgb(91, 16, 22)
HSL	hsl(355, 70%, 21%)
HSV	hsv(355, 82%, 36%)
CMYK	cmyk(0%, 82.4%, 75.8%, 64.3%)
CIE-LAB	lab(18.60, 33.67, 17.40)
CIE-LCH	lch(18.60, 37.90, 27.33°)
OKLab	oklab(31.13% 0.0987 0.0401)
OKLCH	oklch(31.13% 0.107 22.1)
XYZ	xyz(4.6450, 2.6534, 1.0265)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1016 #105B55

analogous

#5B103B #5B1016 #5B2F10

triadic

#5B1016 #165B10 #10165B

tetradic

#5B1016 #3B5B10 #105B55 #2F105B

square

#5B1016 #3B5B10 #105B55 #2F105B

split-complementary

#5B1016 #105B2F #103B5B

monochromatic

#1A0506 #270709 #5B1016 #8F1923 #C3222F

Accessibility & contrast

On white

13.72

#5B1016 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#5B1016 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1016

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1016	#FFFFFF	#000000	##FFFFFF
##5B1016	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262316

Deuteranopia (green-blind)

#393314

Tritanopia (blue-blind)

#650013

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #5b1016;
/* rgb */ color: rgb(91, 16, 22);
/* oklch */ color: oklch(31.1% 0.107 22.1);

Tailwind

colors: {
  custom: {
    50: '#905653',
    500: '#5b1016',
    950: '#000000',
  },
}

SCSS

$custom: #5b1016;
$custom-light: #905653;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1016",
  "rgb": {
    "r": 91,
    "g": 16,
    "b": 22
  },
  "hsl": {
    "h": 355.2,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31134,
    "c": 0.10657,
    "h": 22.1
  },
  "luminance": 0.02653
}

Semantic roles & 50–950 ramp

primary

#5B1016

secondary

#33948C

accent

#EDDF3B

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0302

muted

#7E7878

Preview Lab

Preview with #5B1016

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

Preview Lab → · Contrast checker → · Palette generator →