#540F18#540F18

#540F18 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.6% C 0.100 H 19.0°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#540F18
RGB	rgb(84, 15, 24)
HSL	hsl(352, 70%, 19%)
HSV	hsv(352, 82%, 33%)
CMYK	cmyk(0%, 82.1%, 71.4%, 67.1%)
CIE-LAB	lab(16.96, 31.76, 13.63)
CIE-LCH	lch(16.96, 34.56, 23.23°)
OKLab	oklab(29.65% 0.0942 0.0324)
OKLCH	oklch(29.65% 0.1 19)
XYZ	xyz(3.9923, 2.2930, 1.0964)
Luminance	0.0229 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#540F18 #0F544B

analogous

#540F3B #540F18 #54290F

triadic

#540F18 #18540F #0F1854

tetradic

#540F18 #3B540F #0F544B #290F54

square

#540F18 #3B540F #0F544B #290F54

split-complementary

#540F18 #0F5429 #0F3B54

monochromatic

#1A0507 #200609 #540F18 #881827 #BC2236

Accessibility & contrast

On white

14.40

#540F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#540F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #540F18

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##540F18	#FFFFFF	#000000	##FFFFFF
##540F18	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232018

Deuteranopia (green-blind)

#342F16

Tritanopia (blue-blind)

#5D0013

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #540f18;
/* rgb */ color: rgb(84, 15, 24);
/* oklch */ color: oklch(29.6% 0.100 19.0);

Tailwind

colors: {
  custom: {
    50: '#8a5454',
    500: '#540f18',
    950: '#000000',
  },
}

SCSS

$custom: #540f18;
$custom-light: #8a5454;
$custom-dark: #000000;

JSON

{
  "hex": "#540f18",
  "rgb": {
    "r": 84,
    "g": 15,
    "b": 24
  },
  "hsl": {
    "h": 352.174,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29647,
    "c": 0.09959,
    "h": 19
  },
  "luminance": 0.02292
}

Semantic roles & 50–950 ramp

primary

#540F18

secondary

#318E82

accent

#EDD53B

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0302

muted

#7D7878

Preview Lab

Preview with #540F18

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

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