#5B1827#5B1827

#5B1827 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.4% C 0.098 H 11.2°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#5B1827
RGB	rgb(91, 24, 39)
HSL	hsl(347, 58%, 23%)
HSV	hsv(347, 74%, 36%)
CMYK	cmyk(0%, 73.6%, 57.1%, 64.3%)
CIE-LAB	lab(20.14, 31.66, 7.52)
CIE-LCH	lch(20.14, 32.54, 13.36°)
OKLab	oklab(32.4% 0.0959 0.0191)
OKLCH	oklch(32.4% 0.098 11.2)
XYZ	xyz(5.0077, 3.0246, 2.2392)
Luminance	0.0302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1827 #185B4C

analogous

#5B1849 #5B1827 #5B2A18

triadic

#5B1827 #275B18 #18275B

tetradic

#5B1827 #495B18 #185B4C #2A185B

square

#5B1827 #495B18 #185B4C #2A185B

split-complementary

#5B1827 #185B2A #18495B

monochromatic

#18060A #2B0B12 #5B1827 #8B253C #BC3251

Accessibility & contrast

On white

13.09

#5B1827 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#5B1827 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1827

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1827	#FFFFFF	#000000	##FFFFFF
##5B1827	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282827

Deuteranopia (green-blind)

#3A3625

Tritanopia (blue-blind)

#640B1E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #5b1827;
/* rgb */ color: rgb(91, 24, 39);
/* oklch */ color: oklch(32.4% 0.098 11.2);

Tailwind

colors: {
  custom: {
    50: '#8e5a60',
    500: '#5b1827',
    950: '#000000',
  },
}

SCSS

$custom: #5b1827;
$custom-light: #8e5a60;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1827",
  "rgb": {
    "r": 91,
    "g": 24,
    "b": 39
  },
  "hsl": {
    "h": 346.567,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.324,
    "c": 0.09773,
    "h": 11.2
  },
  "luminance": 0.03024
}

Semantic roles & 50–950 ramp

primary

#5B1827

secondary

#3D927F

accent

#E1BF46

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0405

muted

#7E7979

Preview Lab

Preview with #5B1827

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

Preview Lab → · Contrast checker → · Palette generator →