#5B1919#5B1919

#5B1919 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.097 H 24.4°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#5B1919
RGB	rgb(91, 25, 25)
HSL	hsl(0, 57%, 23%)
HSV	hsv(0, 73%, 36%)
CMYK	cmyk(0%, 72.5%, 72.5%, 64.3%)
CIE-LAB	lab(20.00, 30.11, 17.06)
CIE-LCH	lch(20.00, 34.60, 29.53°)
OKLab	oklab(32.2% 0.0881 0.0399)
OKLCH	oklch(32.2% 0.097 24.4)
XYZ	xyz(4.8380, 2.9903, 1.2419)
Luminance	0.0299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1919 #195B5B

analogous

#5B193A #5B1919 #5B3A19

triadic

#5B1919 #195B19 #19195B

tetradic

#5B1919 #3A5B19 #195B5B #3A195B

square

#5B1919 #3A5B19 #195B5B #3A195B

split-complementary

#5B1919 #195B3A #193A5B

monochromatic

#180707 #2B0C0C #5B1919 #8B2626 #BB3333

Accessibility & contrast

On white

13.14

#5B1919 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#5B1919 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1919

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1919	#FFFFFF	#000000	##FFFFFF
##5B1919	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2718

Deuteranopia (green-blind)

#3C3617

Tritanopia (blue-blind)

#65081A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5b1919;
/* rgb */ color: rgb(91, 25, 25);
/* oklch */ color: oklch(32.2% 0.097 24.4);

Tailwind

colors: {
  custom: {
    50: '#8f5a55',
    500: '#5b1919',
    950: '#000000',
  },
}

SCSS

$custom: #5b1919;
$custom-light: #8f5a55;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1919",
  "rgb": {
    "r": 91,
    "g": 25,
    "b": 25
  },
  "hsl": {
    "h": 0,
    "s": 56.897,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32199,
    "c": 0.09675,
    "h": 24.4
  },
  "luminance": 0.0299
}

Semantic roles & 50–950 ramp

primary

#5B1919

secondary

#3F9191

accent

#E0E048

background

#F9F5F4

surface

#F2E9E8

border

#CCC5C4

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5B1919

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

Preview Lab → · Contrast checker → · Palette generator →