#5B111A#5B111A

#5B111A is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.3% C 0.105 H 19.5°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#5B111A
RGB	rgb(91, 17, 26)
HSL	hsl(353, 69%, 21%)
HSV	hsv(353, 81%, 36%)
CMYK	cmyk(0%, 81.3%, 71.4%, 64.3%)
CIE-LAB	lab(18.80, 33.54, 14.88)
CIE-LCH	lch(18.80, 36.69, 23.92°)
OKLab	oklab(31.31% 0.0993 0.0352)
OKLCH	oklch(31.31% 0.105 19.5)
XYZ	xyz(4.7018, 2.7003, 1.2507)
Luminance	0.0270 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B111A #115B52

analogous

#5B113F #5B111A #5B2D11

triadic

#5B111A #1A5B11 #111A5B

tetradic

#5B111A #3F5B11 #115B52 #2D115B

square

#5B111A #3F5B11 #115B52 #2D115B

split-complementary

#5B111A #115B2D #113F5B

monochromatic

#1A0507 #27070B #5B111A #8F1B29 #C22437

Accessibility & contrast

On white

13.64

#5B111A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#5B111A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B111A

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B111A	#FFFFFF	#000000	##FFFFFF
##5B111A	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241A

Deuteranopia (green-blind)

#393318

Tritanopia (blue-blind)

#650015

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b111a;
/* rgb */ color: rgb(91, 17, 26);
/* oklch */ color: oklch(31.3% 0.105 19.5);

Tailwind

colors: {
  custom: {
    50: '#8f5656',
    500: '#5b111a',
    950: '#000000',
  },
}

SCSS

$custom: #5b111a;
$custom-light: #8f5656;
$custom-dark: #000000;

JSON

{
  "hex": "#5b111a",
  "rgb": {
    "r": 91,
    "g": 17,
    "b": 26
  },
  "hsl": {
    "h": 352.703,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31307,
    "c": 0.10534,
    "h": 19.5
  },
  "luminance": 0.027
}

Semantic roles & 50–950 ramp

primary

#5B111A

secondary

#349488

accent

#EBD63C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5B111A

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

Preview Lab → · Contrast checker → · Palette generator →