#5B1B0F#5B1B0F

#5B1B0F is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.097 H 32.7°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#5B1B0F
RGB	rgb(91, 27, 15)
HSL	hsl(9, 72%, 21%)
HSV	hsv(9, 84%, 36%)
CMYK	cmyk(0%, 70.3%, 83.5%, 64.3%)
CIE-LAB	lab(20.22, 28.62, 23.60)
CIE-LCH	lch(20.22, 37.10, 39.51°)
OKLab	oklab(32.31% 0.0812 0.0522)
OKLCH	oklch(32.31% 0.097 32.7)
XYZ	xyz(4.7931, 3.0432, 0.7869)
Luminance	0.0304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1B0F #0F4F5B

analogous

#5B0F29 #5B1B0F #5B410F

triadic

#5B1B0F #0F5B1B #1B0F5B

tetradic

#5B1B0F #295B0F #0F4F5B #410F5B

square

#5B1B0F #295B0F #0F4F5B #410F5B

split-complementary

#5B1B0F #0F5B41 #0F295B

monochromatic

#1A0804 #260B06 #5B1B0F #902B18 #C43A20

Accessibility & contrast

On white

13.05

#5B1B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#5B1B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1B0F

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1B0F	#FFFFFF	#000000	##FFFFFF
##5B1B0F	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D280D

Deuteranopia (green-blind)

#3D360D

Tritanopia (blue-blind)

#650919

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #5b1b0f;
/* rgb */ color: rgb(91, 27, 15);
/* oklch */ color: oklch(32.3% 0.097 32.7);

Tailwind

colors: {
  custom: {
    50: '#905b4e',
    500: '#5b1b0f',
    950: '#000000',
  },
}

SCSS

$custom: #5b1b0f;
$custom-light: #905b4e;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1b0f",
  "rgb": {
    "r": 91,
    "g": 27,
    "b": 15
  },
  "hsl": {
    "h": 9.474,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32311,
    "c": 0.0965,
    "h": 32.7
  },
  "luminance": 0.03043
}

Semantic roles & 50–950 ramp

primary

#5B1B0F

secondary

#318595

accent

#D2EE39

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0401

muted

#7E7977

Preview Lab

Preview with #5B1B0F

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

Preview Lab → · Contrast checker → · Palette generator →