#5B1611#5B1611

#5B1611 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.7% C 0.101 H 28.4°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#5B1611
RGB	rgb(91, 22, 17)
HSL	hsl(4, 69%, 21%)
HSV	hsv(4, 81%, 36%)
CMYK	cmyk(0%, 75.8%, 81.3%, 64.3%)
CIE-LAB	lab(19.39, 31.03, 21.55)
CIE-LCH	lch(19.39, 37.78, 34.78°)
OKLab	oklab(31.7% 0.0891 0.0482)
OKLCH	oklch(31.7% 0.101 28.4)
XYZ	xyz(4.7030, 2.8391, 0.8306)
Luminance	0.0284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1611 #11565B

analogous

#5B1131 #5B1611 #5B3B11

triadic

#5B1611 #115B16 #16115B

tetradic

#5B1611 #315B11 #11565B #3B115B

square

#5B1611 #315B11 #11565B #3B115B

split-complementary

#5B1611 #115B3B #11315B

monochromatic

#1A0605 #270A07 #5B1611 #8F221B #C22F24

Accessibility & contrast

On white

13.40

#5B1611 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#5B1611 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1611

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1611	#FFFFFF	#000000	##FFFFFF
##5B1611	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2510

Deuteranopia (green-blind)

#3B340E

Tritanopia (blue-blind)

#650015

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5b1611;
/* rgb */ color: rgb(91, 22, 17);
/* oklch */ color: oklch(31.7% 0.101 28.4);

Tailwind

colors: {
  custom: {
    50: '#90584f',
    500: '#5b1611',
    950: '#000000',
  },
}

SCSS

$custom: #5b1611;
$custom-light: #90584f;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1611",
  "rgb": {
    "r": 91,
    "g": 22,
    "b": 17
  },
  "hsl": {
    "h": 4.054,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31698,
    "c": 0.10133,
    "h": 28.4
  },
  "luminance": 0.02838
}

Semantic roles & 50–950 ramp

primary

#5B1611

secondary

#348D94

accent

#E0EB3C

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0402

muted

#7E7978

Preview Lab

Preview with #5B1611

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

Preview Lab → · Contrast checker → · Palette generator →