#5B191F#5B191F

#5B191F is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.096 H 19.2°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#5B191F
RGB	rgb(91, 25, 31)
HSL	hsl(355, 57%, 23%)
HSV	hsv(355, 73%, 36%)
CMYK	cmyk(0%, 72.5%, 65.9%, 64.3%)
CIE-LAB	lab(20.12, 30.52, 13.08)
CIE-LCH	lch(20.12, 33.21, 23.20°)
OKLab	oklab(32.32% 0.0908 0.0317)
OKLCH	oklch(32.32% 0.096 19.2)
XYZ	xyz(4.9098, 3.0190, 1.6202)
Luminance	0.0302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B191F #195B55

analogous

#5B1940 #5B191F #5B3419

triadic

#5B191F #1F5B19 #191F5B

tetradic

#5B191F #405B19 #195B55 #34195B

square

#5B191F #405B19 #195B55 #34195B

split-complementary

#5B191F #195B34 #19405B

monochromatic

#180708 #2B0C0F #5B191F #8B262F #BB3340

Accessibility & contrast

On white

13.10

#5B191F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#5B191F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B191F

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B191F	#FFFFFF	#000000	##FFFFFF
##5B191F	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A281F

Deuteranopia (green-blind)

#3B361D

Tritanopia (blue-blind)

#64091C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #5b191f;
/* rgb */ color: rgb(91, 25, 31);
/* oklch */ color: oklch(32.3% 0.096 19.2);

Tailwind

colors: {
  custom: {
    50: '#8e5a5a',
    500: '#5b191f',
    950: '#000000',
  },
}

SCSS

$custom: #5b191f;
$custom-light: #8e5a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#5b191f",
  "rgb": {
    "r": 91,
    "g": 25,
    "b": 31
  },
  "hsl": {
    "h": 354.545,
    "s": 56.897,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32322,
    "c": 0.09616,
    "h": 19.2
  },
  "luminance": 0.03018
}

Semantic roles & 50–950 ramp

primary

#5B191F

secondary

#3F918A

accent

#E0D248

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5B191F

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

Preview Lab → · Contrast checker → · Palette generator →