#540D0D#540D0D

#540D0D is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.3% C 0.103 H 26.3°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#540D0D
RGB	rgb(84, 13, 13)
HSL	hsl(0, 73%, 19%)
HSV	hsv(0, 85%, 33%)
CMYK	cmyk(0%, 84.5%, 84.5%, 67.1%)
CIE-LAB	lab(16.52, 31.91, 19.87)
CIE-LCH	lch(16.52, 37.59, 31.91°)
OKLab	oklab(29.26% 0.0919 0.0455)
OKLCH	oklch(29.26% 0.103 26.3)
XYZ	xyz(3.8732, 2.2023, 0.6018)
Luminance	0.0220 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#540D0D #0D5454

analogous

#540D31 #540D0D #54310D

triadic

#540D0D #0D540D #0D0D54

tetradic

#540D0D #31540D #0D5454 #310D54

square

#540D0D #31540D #0D5454 #310D54

split-complementary

#540D0D #0D5431 #0D3154

monochromatic

#1A0404 #1F0505 #540D0D #891515 #BE1D1D

Accessibility & contrast

On white

14.58

#540D0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#540D0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #540D0D

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##540D0D	#FFFFFF	#000000	##FFFFFF
##540D0D	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0C

Deuteranopia (green-blind)

#352E0A

Tritanopia (blue-blind)

#5D000E

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #540d0d;
/* rgb */ color: rgb(84, 13, 13);
/* oklch */ color: oklch(29.3% 0.103 26.3);

Tailwind

colors: {
  custom: {
    50: '#8b534c',
    500: '#540d0d',
    950: '#000000',
  },
}

SCSS

$custom: #540d0d;
$custom-light: #8b534c;
$custom-dark: #000000;

JSON

{
  "hex": "#540d0d",
  "rgb": {
    "r": 84,
    "g": 13,
    "b": 13
  },
  "hsl": {
    "h": 0,
    "s": 73.196,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29263,
    "c": 0.10252,
    "h": 26.3
  },
  "luminance": 0.02202
}

Semantic roles & 50–950 ramp

primary

#540D0D

secondary

#2E8F8F

accent

#F0F038

background

#F9F5F4

surface

#F1E8E7

border

#CBC4C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #540D0D

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

Preview Lab → · Contrast checker → · Palette generator →