#5B1610#5B1610

#5B1610 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.7% C 0.102 H 29.0°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#5B1610
RGB	rgb(91, 22, 16)
HSL	hsl(5, 70%, 21%)
HSV	hsv(5, 82%, 36%)
CMYK	cmyk(0%, 75.8%, 82.4%, 64.3%)
CIE-LAB	lab(19.38, 30.98, 22.10)
CIE-LCH	lch(19.38, 38.06, 35.50°)
OKLab	oklab(31.69% 0.0888 0.0492)
OKLCH	oklch(31.69% 0.102 29)
XYZ	xyz(4.6954, 2.8361, 0.7903)
Luminance	0.0284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1610 #10555B

analogous

#5B102F #5B1610 #5B3B10

triadic

#5B1610 #105B16 #16105B

tetradic

#5B1610 #2F5B10 #10555B #3B105B

square

#5B1610 #2F5B10 #10555B #3B105B

split-complementary

#5B1610 #105B3B #102F5B

monochromatic

#1A0605 #270907 #5B1610 #8F2319 #C32F22

Accessibility & contrast

On white

13.40

#5B1610 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#5B1610 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1610

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1610	#FFFFFF	#000000	##FFFFFF
##5B1610	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A250F

Deuteranopia (green-blind)

#3B340D

Tritanopia (blue-blind)

#650015

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5b1610;
/* rgb */ color: rgb(91, 22, 16);
/* oklch */ color: oklch(31.7% 0.102 29.0);

Tailwind

colors: {
  custom: {
    50: '#90584e',
    500: '#5b1610',
    950: '#000000',
  },
}

SCSS

$custom: #5b1610;
$custom-light: #90584e;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1610",
  "rgb": {
    "r": 91,
    "g": 22,
    "b": 16
  },
  "hsl": {
    "h": 4.8,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31685,
    "c": 0.1015,
    "h": 29
  },
  "luminance": 0.02835
}

Semantic roles & 50–950 ramp

primary

#5B1610

secondary

#338C94

accent

#DFED3B

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0401

muted

#7E7977

Preview Lab

Preview with #5B1610

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

Preview Lab → · Contrast checker → · Palette generator →