#5B191D#5B191D

#5B191D is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.096 H 21.0°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#5B191D
RGB	rgb(91, 25, 29)
HSL	hsl(356, 57%, 23%)
HSV	hsv(356, 73%, 36%)
CMYK	cmyk(0%, 72.5%, 68.1%, 64.3%)
CIE-LAB	lab(20.08, 30.38, 14.41)
CIE-LCH	lch(20.08, 33.62, 25.38°)
OKLab	oklab(32.28% 0.0899 0.0345)
OKLCH	oklch(32.28% 0.096 21)
XYZ	xyz(4.8843, 3.0088, 1.4857)
Luminance	0.0301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B191D #195B57

analogous

#5B193E #5B191D #5B3619

triadic

#5B191D #1D5B19 #191D5B

tetradic

#5B191D #3E5B19 #195B57 #36195B

square

#5B191D #3E5B19 #195B57 #36195B

split-complementary

#5B191D #195B36 #193E5B

monochromatic

#180708 #2B0C0E #5B191D #8B262C #BB333C

Accessibility & contrast

On white

13.11

#5B191D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#5B191D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B191D

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B191D	#FFFFFF	#000000	##FFFFFF
##5B191D	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A281D

Deuteranopia (green-blind)

#3B361B

Tritanopia (blue-blind)

#64091B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5b191d;
/* rgb */ color: rgb(91, 25, 29);
/* oklch */ color: oklch(32.3% 0.096 21.0);

Tailwind

colors: {
  custom: {
    50: '#8f5a58',
    500: '#5b191d',
    950: '#000000',
  },
}

SCSS

$custom: #5b191d;
$custom-light: #8f5a58;
$custom-dark: #000000;

JSON

{
  "hex": "#5b191d",
  "rgb": {
    "r": 91,
    "g": 25,
    "b": 29
  },
  "hsl": {
    "h": 356.364,
    "s": 56.897,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32278,
    "c": 0.09629,
    "h": 21
  },
  "luminance": 0.03008
}

Semantic roles & 50–950 ramp

primary

#5B191D

secondary

#3F918C

accent

#E0D748

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5B191D

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

Preview Lab → · Contrast checker → · Palette generator →