#5B161B#5B161B

#5B161B is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.100 H 21.0°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#5B161B
RGB	rgb(91, 22, 27)
HSL	hsl(356, 61%, 22%)
HSV	hsv(356, 76%, 36%)
CMYK	cmyk(0%, 75.8%, 70.3%, 64.3%)
CIE-LAB	lab(19.55, 31.59, 15.12)
CIE-LCH	lch(19.55, 35.02, 25.58°)
OKLab	oklab(31.87% 0.0933 0.0359)
OKLCH	oklch(31.87% 0.1 21)
XYZ	xyz(4.7996, 2.8778, 1.3394)
Luminance	0.0288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B161B #165B56

analogous

#5B163E #5B161B #5B3416

triadic

#5B161B #1B5B16 #161B5B

tetradic

#5B161B #3E5B16 #165B56 #34165B

square

#5B161B #3E5B16 #165B56 #34165B

split-complementary

#5B161B #165B34 #163E5B

monochromatic

#190607 #2A0A0C #5B161B #8C222A #BE2E38

Accessibility & contrast

On white

13.33

#5B161B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#5B161B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B161B

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B161B	#FFFFFF	#000000	##FFFFFF
##5B161B	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29261B

Deuteranopia (green-blind)

#3A3519

Tritanopia (blue-blind)

#640318

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5b161b;
/* rgb */ color: rgb(91, 22, 27);
/* oklch */ color: oklch(31.9% 0.100 21.0);

Tailwind

colors: {
  custom: {
    50: '#8f5957',
    500: '#5b161b',
    950: '#000000',
  },
}

SCSS

$custom: #5b161b;
$custom-light: #8f5957;
$custom-dark: #000000;

JSON

{
  "hex": "#5b161b",
  "rgb": {
    "r": 91,
    "g": 22,
    "b": 27
  },
  "hsl": {
    "h": 355.652,
    "s": 61.062,
    "l": 22.157
  },
  "oklch": {
    "l": 0.31869,
    "c": 0.09995,
    "h": 21
  },
  "luminance": 0.02877
}

Semantic roles & 50–950 ramp

primary

#5B161B

secondary

#3B928C

accent

#E4D944

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5B161B

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

Preview Lab → · Contrast checker → · Palette generator →