#5B191C#5B191C

#5B191C is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.096 H 21.9°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#5B191C
RGB	rgb(91, 25, 28)
HSL	hsl(357, 57%, 23%)
HSV	hsv(357, 73%, 36%)
CMYK	cmyk(0%, 72.5%, 69.2%, 64.3%)
CIE-LAB	lab(20.06, 30.31, 15.08)
CIE-LCH	lch(20.06, 33.85, 26.45°)
OKLab	oklab(32.26% 0.0895 0.0359)
OKLCH	oklch(32.26% 0.096 21.9)
XYZ	xyz(4.8721, 3.0039, 1.4217)
Luminance	0.0300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B191C #195B58

analogous

#5B193D #5B191C #5B3719

triadic

#5B191C #1C5B19 #191C5B

tetradic

#5B191C #3D5B19 #195B58 #37195B

square

#5B191C #3D5B19 #195B58 #37195B

split-complementary

#5B191C #195B37 #193D5B

monochromatic

#180707 #2B0C0D #5B191C #8B262B #BB333A

Accessibility & contrast

On white

13.12

#5B191C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#5B191C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B191C

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B191C	#FFFFFF	#000000	##FFFFFF
##5B191C	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281C

Deuteranopia (green-blind)

#3B361A

Tritanopia (blue-blind)

#64081B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5b191c;
/* rgb */ color: rgb(91, 25, 28);
/* oklch */ color: oklch(32.3% 0.096 21.9);

Tailwind

colors: {
  custom: {
    50: '#8f5a58',
    500: '#5b191c',
    950: '#000000',
  },
}

SCSS

$custom: #5b191c;
$custom-light: #8f5a58;
$custom-dark: #000000;

JSON

{
  "hex": "#5b191c",
  "rgb": {
    "r": 91,
    "g": 25,
    "b": 28
  },
  "hsl": {
    "h": 357.273,
    "s": 56.897,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32257,
    "c": 0.09639,
    "h": 21.9
  },
  "luminance": 0.03003
}

Semantic roles & 50–950 ramp

primary

#5B191C

secondary

#3F918E

accent

#E0D948

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5B191C

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

Preview Lab → · Contrast checker → · Palette generator →