#5B1019#5B1019

#5B1019 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.2% C 0.106 H 19.9°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#5B1019
RGB	rgb(91, 16, 25)
HSL	hsl(353, 70%, 21%)
HSV	hsv(353, 82%, 36%)
CMYK	cmyk(0%, 82.4%, 72.5%, 64.3%)
CIE-LAB	lab(18.65, 33.85, 15.39)
CIE-LCH	lch(18.65, 37.18, 24.45°)
OKLab	oklab(31.19% 0.1 0.0362)
OKLCH	oklch(31.19% 0.106 19.9)
XYZ	xyz(4.6757, 2.6656, 1.1878)
Luminance	0.0267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1019 #105B52

analogous

#5B103E #5B1019 #5B2C10

triadic

#5B1019 #195B10 #10195B

tetradic

#5B1019 #3E5B10 #105B52 #2C105B

square

#5B1019 #3E5B10 #105B52 #2C105B

split-complementary

#5B1019 #105B2C #103E5B

monochromatic

#1A0507 #27070B #5B1019 #8F1927 #C32236

Accessibility & contrast

On white

13.70

#5B1019 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#5B1019 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1019

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1019	#FFFFFF	#000000	##FFFFFF
##5B1019	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262319

Deuteranopia (green-blind)

#393317

Tritanopia (blue-blind)

#650014

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #5b1019;
/* rgb */ color: rgb(91, 16, 25);
/* oklch */ color: oklch(31.2% 0.106 19.9);

Tailwind

colors: {
  custom: {
    50: '#8f5655',
    500: '#5b1019',
    950: '#000000',
  },
}

SCSS

$custom: #5b1019;
$custom-light: #8f5655;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1019",
  "rgb": {
    "r": 91,
    "g": 16,
    "b": 25
  },
  "hsl": {
    "h": 352.8,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.3119,
    "c": 0.10636,
    "h": 19.9
  },
  "luminance": 0.02665
}

Semantic roles & 50–950 ramp

primary

#5B1019

secondary

#339488

accent

#EDD83B

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0303

muted

#7E7878

Preview Lab

Preview with #5B1019

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

Preview Lab → · Contrast checker → · Palette generator →