#5B1316#5B1316

#5B1316 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.4% C 0.104 H 23.4°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#5B1316
RGB	rgb(91, 19, 22)
HSL	hsl(358, 65%, 22%)
HSV	hsv(358, 79%, 36%)
CMYK	cmyk(0%, 79.1%, 75.8%, 64.3%)
CIE-LAB	lab(19.01, 32.53, 17.89)
CIE-LCH	lch(19.01, 37.13, 28.81°)
OKLab	oklab(31.44% 0.0951 0.0412)
OKLCH	oklch(31.44% 0.104 23.4)
XYZ	xyz(4.6926, 2.7485, 1.0423)
Luminance	0.0275 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1316 #135B58

analogous

#5B133A #5B1316 #5B3413

triadic

#5B1316 #165B13 #13165B

tetradic

#5B1316 #3A5B13 #135B58 #34135B

square

#5B1316 #3A5B13 #135B58 #34135B

split-complementary

#5B1316 #135B34 #133A5B

monochromatic

#190506 #28080A #5B1316 #8E1E22 #C0282E

Accessibility & contrast

On white

13.55

#5B1316 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5B1316 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1316

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1316	#FFFFFF	#000000	##FFFFFF
##5B1316	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282415

Deuteranopia (green-blind)

#3A3414

Tritanopia (blue-blind)

#650015

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b1316;
/* rgb */ color: rgb(91, 19, 22);
/* oklch */ color: oklch(31.4% 0.104 23.4);

Tailwind

colors: {
  custom: {
    50: '#905753',
    500: '#5b1316',
    950: '#000000',
  },
}

SCSS

$custom: #5b1316;
$custom-light: #905753;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1316",
  "rgb": {
    "r": 91,
    "g": 19,
    "b": 22
  },
  "hsl": {
    "h": 357.5,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31438,
    "c": 0.10364,
    "h": 23.4
  },
  "luminance": 0.02748
}

Semantic roles & 50–950 ramp

primary

#5B1316

secondary

#37938F

accent

#E8E13F

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0302

muted

#7E7878

Preview Lab

Preview with #5B1316

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

Preview Lab → · Contrast checker → · Palette generator →