#5B1910#5B1910

#5B1910 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.098 H 30.8°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#5B1910
RGB	rgb(91, 25, 16)
HSL	hsl(7, 70%, 21%)
HSV	hsv(7, 82%, 36%)
CMYK	cmyk(0%, 72.5%, 82.4%, 64.3%)
CIE-LAB	lab(19.87, 29.63, 22.67)
CIE-LCH	lch(19.87, 37.30, 37.42°)
OKLab	oklab(32.06% 0.0845 0.0504)
OKLCH	oklch(32.06% 0.098 30.8)
XYZ	xyz(4.7561, 2.9575, 0.8105)
Luminance	0.0296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1910 #10525B

analogous

#5B102C #5B1910 #5B3E10

triadic

#5B1910 #105B19 #19105B

tetradic

#5B1910 #2C5B10 #10525B #3E105B

square

#5B1910 #2C5B10 #10525B #3E105B

split-complementary

#5B1910 #105B3E #102C5B

monochromatic

#1A0705 #270B07 #5B1910 #8F2719 #C33622

Accessibility & contrast

On white

13.20

#5B1910 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#5B1910 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1910

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1910	#FFFFFF	#000000	##FFFFFF
##5B1910	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270E

Deuteranopia (green-blind)

#3C350D

Tritanopia (blue-blind)

#650517

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5b1910;
/* rgb */ color: rgb(91, 25, 16);
/* oklch */ color: oklch(32.1% 0.098 30.8);

Tailwind

colors: {
  custom: {
    50: '#905a4f',
    500: '#5b1910',
    950: '#000000',
  },
}

SCSS

$custom: #5b1910;
$custom-light: #905a4f;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1910",
  "rgb": {
    "r": 91,
    "g": 25,
    "b": 16
  },
  "hsl": {
    "h": 7.2,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.32057,
    "c": 0.0984,
    "h": 30.8
  },
  "luminance": 0.02957
}

Semantic roles & 50–950 ramp

primary

#5B1910

secondary

#338894

accent

#D8ED3B

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0401

muted

#7E7977

Preview Lab

Preview with #5B1910

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

Preview Lab → · Contrast checker → · Palette generator →