#5B1020#5B1020

#5B1020 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.3% C 0.106 H 14.2°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#5B1020
RGB	rgb(91, 16, 32)
HSL	hsl(347, 70%, 21%)
HSV	hsv(347, 82%, 36%)
CMYK	cmyk(0%, 82.4%, 64.8%, 64.3%)
CIE-LAB	lab(18.80, 34.32, 10.64)
CIE-LCH	lch(18.80, 35.93, 17.23°)
OKLab	oklab(31.35% 0.1031 0.0261)
OKLCH	oklch(31.35% 0.106 14.2)
XYZ	xyz(4.7609, 2.6997, 1.6366)
Luminance	0.0270 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1020 #105B4B

analogous

#5B1045 #5B1020 #5B2510

triadic

#5B1020 #205B10 #10205B

tetradic

#5B1020 #455B10 #105B4B #25105B

square

#5B1020 #455B10 #105B4B #25105B

split-complementary

#5B1020 #105B25 #10455B

monochromatic

#1A0509 #27070E #5B1020 #8F1932 #C32245

Accessibility & contrast

On white

13.64

#5B1020 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#5B1020 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1020

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1020	#FFFFFF	#000000	##FFFFFF
##5B1020	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)

#252420

Deuteranopia (green-blind)

#38331E

Tritanopia (blue-blind)

#640017

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b1020;
/* rgb */ color: rgb(91, 16, 32);
/* oklch */ color: oklch(31.3% 0.106 14.2);

Tailwind

colors: {
  custom: {
    50: '#8f565b',
    500: '#5b1020',
    950: '#000000',
  },
}

SCSS

$custom: #5b1020;
$custom-light: #8f565b;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1020",
  "rgb": {
    "r": 91,
    "g": 16,
    "b": 32
  },
  "hsl": {
    "h": 347.2,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31347,
    "c": 0.10639,
    "h": 14.2
  },
  "luminance": 0.02699
}

Semantic roles & 50–950 ramp

primary

#5B1020

secondary

#33947F

accent

#EDC73B

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0304

muted

#7E7879

Preview Lab

Preview with #5B1020

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

Preview Lab → · Contrast checker → · Palette generator →