#5B1911#5B1911

#5B1911 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.098 H 30.2°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#5B1911
RGB	rgb(91, 25, 17)
HSL	hsl(6, 69%, 21%)
HSV	hsv(6, 81%, 36%)
CMYK	cmyk(0%, 72.5%, 81.3%, 64.3%)
CIE-LAB	lab(19.89, 29.67, 22.12)
CIE-LCH	lch(19.89, 37.01, 36.70°)
OKLab	oklab(32.07% 0.0849 0.0494)
OKLCH	oklch(32.07% 0.098 30.2)
XYZ	xyz(4.7637, 2.9606, 0.8508)
Luminance	0.0296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1911 #11535B

analogous

#5B112E #5B1911 #5B3E11

triadic

#5B1911 #115B19 #19115B

tetradic

#5B1911 #2E5B11 #11535B #3E115B

square

#5B1911 #2E5B11 #11535B #3E115B

split-complementary

#5B1911 #115B3E #112E5B

monochromatic

#1A0705 #270B07 #5B1911 #8F271B #C23524

Accessibility & contrast

On white

13.19

#5B1911 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#5B1911 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1911

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1911	#FFFFFF	#000000	##FFFFFF
##5B1911	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2710

Deuteranopia (green-blind)

#3C350F

Tritanopia (blue-blind)

#650618

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5b1911;
/* rgb */ color: rgb(91, 25, 17);
/* oklch */ color: oklch(32.1% 0.098 30.2);

Tailwind

colors: {
  custom: {
    50: '#905a4f',
    500: '#5b1911',
    950: '#000000',
  },
}

SCSS

$custom: #5b1911;
$custom-light: #905a4f;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1911",
  "rgb": {
    "r": 91,
    "g": 25,
    "b": 17
  },
  "hsl": {
    "h": 6.486,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.32071,
    "c": 0.09818,
    "h": 30.2
  },
  "luminance": 0.0296
}

Semantic roles & 50–950 ramp

primary

#5B1911

secondary

#348994

accent

#D8EB3C

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0402

muted

#7E7978

Preview Lab

Preview with #5B1911

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

Preview Lab → · Contrast checker → · Palette generator →