#540D0F#540D0F

#540D0F is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.3% C 0.102 H 25.0°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#540D0F
RGB	rgb(84, 13, 15)
HSL	hsl(358, 73%, 19%)
HSV	hsv(358, 85%, 33%)
CMYK	cmyk(0%, 84.5%, 82.1%, 67.1%)
CIE-LAB	lab(16.54, 31.99, 18.89)
CIE-LCH	lch(16.54, 37.15, 30.56°)
OKLab	oklab(29.29% 0.0927 0.0432)
OKLCH	oklch(29.29% 0.102 25)
XYZ	xyz(3.8868, 2.2078, 0.6733)
Luminance	0.0221 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#540D0F #0D5452

analogous

#540D33 #540D0F #542F0D

triadic

#540D0F #0F540D #0D0F54

tetradic

#540D0F #33540D #0D5452 #2F0D54

square

#540D0F #33540D #0D5452 #2F0D54

split-complementary

#540D0F #0D542F #0D3354

monochromatic

#1A0405 #1F0506 #540D0F #891518 #BE1D22

Accessibility & contrast

On white

14.57

#540D0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#540D0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #540D0F

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##540D0F	#FFFFFF	#000000	##FFFFFF
##540D0F	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0E

Deuteranopia (green-blind)

#342E0C

Tritanopia (blue-blind)

#5D000F

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #540d0f;
/* rgb */ color: rgb(84, 13, 15);
/* oklch */ color: oklch(29.3% 0.102 25.0);

Tailwind

colors: {
  custom: {
    50: '#8b534d',
    500: '#540d0f',
    950: '#000000',
  },
}

SCSS

$custom: #540d0f;
$custom-light: #8b534d;
$custom-dark: #000000;

JSON

{
  "hex": "#540d0f",
  "rgb": {
    "r": 84,
    "g": 13,
    "b": 15
  },
  "hsl": {
    "h": 358.31,
    "s": 73.196,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29291,
    "c": 0.10227,
    "h": 25
  },
  "luminance": 0.02207
}

Semantic roles & 50–950 ramp

primary

#540D0F

secondary

#2E8F8C

accent

#F0EB38

background

#F9F5F4

surface

#F1E8E7

border

#CBC4C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #540D0F

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

Preview Lab → · Contrast checker → · Palette generator →