#5B111D#5B111D

#5B111D is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.4% C 0.105 H 17.1°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#5B111D
RGB	rgb(91, 17, 29)
HSL	hsl(350, 69%, 21%)
HSV	hsv(350, 81%, 36%)
CMYK	cmyk(0%, 81.3%, 68.1%, 64.3%)
CIE-LAB	lab(18.86, 33.74, 12.85)
CIE-LCH	lch(18.86, 36.10, 20.85°)
OKLab	oklab(31.37% 0.1006 0.0309)
OKLCH	oklch(31.37% 0.105 17.1)
XYZ	xyz(4.7371, 2.7145, 1.4367)
Luminance	0.0271 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B111D #115B4F

analogous

#5B1142 #5B111D #5B2A11

triadic

#5B111D #1D5B11 #111D5B

tetradic

#5B111D #425B11 #115B4F #2A115B

square

#5B111D #425B11 #115B4F #2A115B

split-complementary

#5B111D #115B2A #11425B

monochromatic

#1A0508 #27070D #5B111D #8F1B2D #C2243E

Accessibility & contrast

On white

13.61

#5B111D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#5B111D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B111D

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B111D	#FFFFFF	#000000	##FFFFFF
##5B111D	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241D

Deuteranopia (green-blind)

#39331B

Tritanopia (blue-blind)

#640016

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b111d;
/* rgb */ color: rgb(91, 17, 29);
/* oklch */ color: oklch(31.4% 0.105 17.1);

Tailwind

colors: {
  custom: {
    50: '#8f5758',
    500: '#5b111d',
    950: '#000000',
  },
}

SCSS

$custom: #5b111d;
$custom-light: #8f5758;
$custom-dark: #000000;

JSON

{
  "hex": "#5b111d",
  "rgb": {
    "r": 91,
    "g": 17,
    "b": 29
  },
  "hsl": {
    "h": 350.27,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31372,
    "c": 0.10527,
    "h": 17.1
  },
  "luminance": 0.02714
}

Semantic roles & 50–950 ramp

primary

#5B111D

secondary

#349484

accent

#EBCF3C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5B111D

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

Preview Lab → · Contrast checker → · Palette generator →