#5B131A#5B131A

#5B131A is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.103 H 20.4°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#5B131A
RGB	rgb(91, 19, 26)
HSL	hsl(354, 65%, 22%)
HSV	hsv(354, 79%, 36%)
CMYK	cmyk(0%, 79.1%, 71.4%, 64.3%)
CIE-LAB	lab(19.08, 32.77, 15.22)
CIE-LCH	lch(19.08, 36.13, 24.92°)
OKLab	oklab(31.51% 0.0968 0.036)
OKLCH	oklch(31.51% 0.103 20.4)
XYZ	xyz(4.7342, 2.7652, 1.2615)
Luminance	0.0276 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B131A #135B54

analogous

#5B133E #5B131A #5B3013

triadic

#5B131A #1A5B13 #131A5B

tetradic

#5B131A #3E5B13 #135B54 #30135B

square

#5B131A #3E5B13 #135B54 #30135B

split-complementary

#5B131A #135B30 #133E5B

monochromatic

#190507 #28080C #5B131A #8E1E28 #C02837

Accessibility & contrast

On white

13.52

#5B131A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5B131A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B131A

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B131A	#FFFFFF	#000000	##FFFFFF
##5B131A	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27251A

Deuteranopia (green-blind)

#3A3418

Tritanopia (blue-blind)

#650016

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b131a;
/* rgb */ color: rgb(91, 19, 26);
/* oklch */ color: oklch(31.5% 0.103 20.4);

Tailwind

colors: {
  custom: {
    50: '#8f5756',
    500: '#5b131a',
    950: '#000000',
  },
}

SCSS

$custom: #5b131a;
$custom-light: #8f5756;
$custom-dark: #000000;

JSON

{
  "hex": "#5b131a",
  "rgb": {
    "r": 91,
    "g": 19,
    "b": 26
  },
  "hsl": {
    "h": 354.167,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31513,
    "c": 0.10329,
    "h": 20.4
  },
  "luminance": 0.02764
}

Semantic roles & 50–950 ramp

primary

#5B131A

secondary

#37938A

accent

#E8D83F

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5B131A

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

Preview Lab → · Contrast checker → · Palette generator →