#5B111F#5B111F

#5B111F is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.4% C 0.105 H 15.4°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#5B111F
RGB	rgb(91, 17, 31)
HSL	hsl(349, 69%, 21%)
HSV	hsv(349, 81%, 36%)
CMYK	cmyk(0%, 81.3%, 65.9%, 64.3%)
CIE-LAB	lab(18.91, 33.88, 11.49)
CIE-LCH	lch(18.91, 35.77, 18.74°)
OKLab	oklab(31.42% 0.1015 0.028)
OKLCH	oklch(31.42% 0.105 15.4)
XYZ	xyz(4.7626, 2.7247, 1.5712)
Luminance	0.0272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B111F #115B4D

analogous

#5B1144 #5B111F #5B2811

triadic

#5B111F #1F5B11 #111F5B

tetradic

#5B111F #445B11 #115B4D #28115B

square

#5B111F #445B11 #115B4D #28115B

split-complementary

#5B111F #115B28 #11445B

monochromatic

#1A0509 #27070D #5B111F #8F1B31 #C22442

Accessibility & contrast

On white

13.59

#5B111F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#5B111F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B111F

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B111F	#FFFFFF	#000000	##FFFFFF
##5B111F	1.00	13.59	1.54	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241F

Deuteranopia (green-blind)

#38341D

Tritanopia (blue-blind)

#640017

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b111f;
/* rgb */ color: rgb(91, 17, 31);
/* oklch */ color: oklch(31.4% 0.105 15.4);

Tailwind

colors: {
  custom: {
    50: '#8f575a',
    500: '#5b111f',
    950: '#000000',
  },
}

SCSS

$custom: #5b111f;
$custom-light: #8f575a;
$custom-dark: #000000;

JSON

{
  "hex": "#5b111f",
  "rgb": {
    "r": 91,
    "g": 17,
    "b": 31
  },
  "hsl": {
    "h": 348.649,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31418,
    "c": 0.10531,
    "h": 15.4
  },
  "luminance": 0.02724
}

Semantic roles & 50–950 ramp

primary

#5B111F

secondary

#349482

accent

#EBCA3C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5B111F

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

Preview Lab → · Contrast checker → · Palette generator →