#540F0D#540F0D

#540F0D is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.101 H 27.2°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#540F0D
RGB	rgb(84, 15, 13)
HSL	hsl(2, 73%, 19%)
HSV	hsv(2, 85%, 33%)
CMYK	cmyk(0%, 82.1%, 84.5%, 67.1%)
CIE-LAB	lab(16.78, 31.17, 20.19)
CIE-LCH	lch(16.78, 37.14, 32.93°)
OKLab	oklab(29.46% 0.0896 0.0461)
OKLCH	oklch(29.46% 0.101 27.2)
XYZ	xyz(3.9001, 2.2561, 0.6108)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#540F0D #0D5254

analogous

#540D2F #540F0D #54330D

triadic

#540F0D #0D540F #0F0D54

tetradic

#540F0D #2F540D #0D5254 #330D54

square

#540F0D #2F540D #0D5254 #330D54

split-complementary

#540F0D #0D5433 #0D2F54

monochromatic

#1A0504 #1F0605 #540F0D #891815 #BE221D

Accessibility & contrast

On white

14.47

#540F0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#540F0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #540F0D

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##540F0D	#FFFFFF	#000000	##FFFFFF
##540F0D	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24200C

Deuteranopia (green-blind)

#352F0A

Tritanopia (blue-blind)

#5D000F

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #540f0d;
/* rgb */ color: rgb(84, 15, 13);
/* oklch */ color: oklch(29.5% 0.101 27.2);

Tailwind

colors: {
  custom: {
    50: '#8b544c',
    500: '#540f0d',
    950: '#000000',
  },
}

SCSS

$custom: #540f0d;
$custom-light: #8b544c;
$custom-dark: #000000;

JSON

{
  "hex": "#540f0d",
  "rgb": {
    "r": 84,
    "g": 15,
    "b": 13
  },
  "hsl": {
    "h": 1.69,
    "s": 73.196,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29458,
    "c": 0.10074,
    "h": 27.2
  },
  "luminance": 0.02256
}

Semantic roles & 50–950 ramp

primary

#540F0D

secondary

#2E8C8F

accent

#EBF038

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #540F0D

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

Preview Lab → · Contrast checker → · Palette generator →