#5B111C#5B111C

#5B111C is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.4% C 0.105 H 17.9°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#5B111C
RGB	rgb(91, 17, 28)
HSL	hsl(351, 69%, 21%)
HSV	hsv(351, 81%, 36%)
CMYK	cmyk(0%, 81.3%, 69.2%, 64.3%)
CIE-LAB	lab(18.84, 33.67, 13.52)
CIE-LCH	lch(18.84, 36.28, 21.88°)
OKLab	oklab(31.35% 0.1002 0.0324)
OKLCH	oklch(31.35% 0.105 17.9)
XYZ	xyz(4.7249, 2.7096, 1.3726)
Luminance	0.0271 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B111C #115B50

analogous

#5B1141 #5B111C #5B2B11

triadic

#5B111C #1C5B11 #111C5B

tetradic

#5B111C #415B11 #115B50 #2B115B

square

#5B111C #415B11 #115B50 #2B115B

split-complementary

#5B111C #115B2B #11415B

monochromatic

#1A0508 #27070C #5B111C #8F1B2C #C2243C

Accessibility & contrast

On white

13.62

#5B111C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#5B111C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B111C

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B111C	#FFFFFF	#000000	##FFFFFF
##5B111C	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241C

Deuteranopia (green-blind)

#39331A

Tritanopia (blue-blind)

#650016

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b111c;
/* rgb */ color: rgb(91, 17, 28);
/* oklch */ color: oklch(31.4% 0.105 17.9);

Tailwind

colors: {
  custom: {
    50: '#8f5657',
    500: '#5b111c',
    950: '#000000',
  },
}

SCSS

$custom: #5b111c;
$custom-light: #8f5657;
$custom-dark: #000000;

JSON

{
  "hex": "#5b111c",
  "rgb": {
    "r": 91,
    "g": 17,
    "b": 28
  },
  "hsl": {
    "h": 351.081,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.3135,
    "c": 0.10528,
    "h": 17.9
  },
  "luminance": 0.02709
}

Semantic roles & 50–950 ramp

primary

#5B111C

secondary

#349486

accent

#EBD13C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5B111C

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

Preview Lab → · Contrast checker → · Palette generator →