#5B150D#5B150D

#5B150D is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.103 H 30.2°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#5B150D
RGB	rgb(91, 21, 13)
HSL	hsl(6, 75%, 20%)
HSV	hsv(6, 86%, 36%)
CMYK	cmyk(0%, 76.9%, 85.7%, 64.3%)
CIE-LAB	lab(19.18, 31.29, 23.43)
CIE-LCH	lch(19.18, 39.09, 36.83°)
OKLab	oklab(31.53% 0.0891 0.0519)
OKLCH	oklch(31.53% 0.103 30.2)
XYZ	xyz(4.6557, 2.7903, 0.6741)
Luminance	0.0279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B150D #0D535B

analogous

#5B0D2C #5B150D #5B3C0D

triadic

#5B150D #0D5B15 #150D5B

tetradic

#5B150D #2C5B0D #0D535B #3C0D5B

square

#5B150D #2C5B0D #0D535B #3C0D5B

split-complementary

#5B150D #0D5B3C #0D2C5B

monochromatic

#1B0604 #250905 #5B150D #912115 #C62E1C

Accessibility & contrast

On white

13.48

#5B150D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#5B150D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B150D

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B150D	#FFFFFF	#000000	##FFFFFF
##5B150D	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A250B

Deuteranopia (green-blind)

#3B340A

Tritanopia (blue-blind)

#650014

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5b150d;
/* rgb */ color: rgb(91, 21, 13);
/* oklch */ color: oklch(31.5% 0.103 30.2);

Tailwind

colors: {
  custom: {
    50: '#90584d',
    500: '#5b150d',
    950: '#000000',
  },
}

SCSS

$custom: #5b150d;
$custom-light: #90584d;
$custom-dark: #000000;

JSON

{
  "hex": "#5b150d",
  "rgb": {
    "r": 91,
    "g": 21,
    "b": 13
  },
  "hsl": {
    "h": 6.154,
    "s": 75,
    "l": 20.392
  },
  "oklch": {
    "l": 0.3153,
    "c": 0.10305,
    "h": 30.2
  },
  "luminance": 0.0279
}

Semantic roles & 50–950 ramp

primary

#5B150D

secondary

#2F8B95

accent

#DEF236

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0301

muted

#7E7877

Preview Lab

Preview with #5B150D

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

Preview Lab → · Contrast checker → · Palette generator →