#5B131E#5B131E

#5B131E is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.6% C 0.103 H 17.1°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#5B131E
RGB	rgb(91, 19, 30)
HSL	hsl(351, 65%, 22%)
HSV	hsv(351, 79%, 36%)
CMYK	cmyk(0%, 79.1%, 67%, 64.3%)
CIE-LAB	lab(19.16, 33.04, 12.53)
CIE-LCH	lch(19.16, 35.34, 20.77°)
OKLab	oklab(31.6% 0.0986 0.0303)
OKLCH	oklch(31.6% 0.103 17.1)
XYZ	xyz(4.7821, 2.7843, 1.5137)
Luminance	0.0278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B131E #135B50

analogous

#5B1342 #5B131E #5B2C13

triadic

#5B131E #1E5B13 #131E5B

tetradic

#5B131E #425B13 #135B50 #2C135B

square

#5B131E #425B13 #135B50 #2C135B

split-complementary

#5B131E #135B2C #13425B

monochromatic

#190508 #28080D #5B131E #8E1E2F #C0283F

Accessibility & contrast

On white

13.49

#5B131E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#5B131E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B131E

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B131E	#FFFFFF	#000000	##FFFFFF
##5B131E	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27251E

Deuteranopia (green-blind)

#39341C

Tritanopia (blue-blind)

#640018

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b131e;
/* rgb */ color: rgb(91, 19, 30);
/* oklch */ color: oklch(31.6% 0.103 17.1);

Tailwind

colors: {
  custom: {
    50: '#8f5759',
    500: '#5b131e',
    950: '#000000',
  },
}

SCSS

$custom: #5b131e;
$custom-light: #8f5759;
$custom-dark: #000000;

JSON

{
  "hex": "#5b131e",
  "rgb": {
    "r": 91,
    "g": 19,
    "b": 30
  },
  "hsl": {
    "h": 350.833,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31599,
    "c": 0.10317,
    "h": 17.1
  },
  "luminance": 0.02784
}

Semantic roles & 50–950 ramp

primary

#5B131E

secondary

#379385

accent

#E8CF3F

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5B131E

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

Preview Lab → · Contrast checker → · Palette generator →