#540F15#540F15

#540F15 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.6% C 0.100 H 21.5°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#540F15
RGB	rgb(84, 15, 21)
HSL	hsl(355, 70%, 19%)
HSV	hsv(355, 82%, 33%)
CMYK	cmyk(0%, 82.1%, 75%, 67.1%)
CIE-LAB	lab(16.90, 31.57, 15.68)
CIE-LCH	lch(16.90, 35.25, 26.41°)
OKLab	oklab(29.59% 0.0929 0.0365)
OKLCH	oklch(29.59% 0.1 21.5)
XYZ	xyz(3.9628, 2.2812, 0.9410)
Luminance	0.0228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#540F15 #0F544E

analogous

#540F38 #540F15 #542C0F

triadic

#540F15 #15540F #0F1554

tetradic

#540F15 #38540F #0F544E #2C0F54

square

#540F15 #38540F #0F544E #2C0F54

split-complementary

#540F15 #0F542C #0F3854

monochromatic

#1A0506 #200608 #540F15 #881822 #BC222F

Accessibility & contrast

On white

14.42

#540F15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#540F15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #540F15

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##540F15	#FFFFFF	#000000	##FFFFFF
##540F15	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232015

Deuteranopia (green-blind)

#342F13

Tritanopia (blue-blind)

#5D0012

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #540f15;
/* rgb */ color: rgb(84, 15, 21);
/* oklch */ color: oklch(29.6% 0.100 21.5);

Tailwind

colors: {
  custom: {
    50: '#8a5452',
    500: '#540f15',
    950: '#000000',
  },
}

SCSS

$custom: #540f15;
$custom-light: #8a5452;
$custom-dark: #000000;

JSON

{
  "hex": "#540f15",
  "rgb": {
    "r": 84,
    "g": 15,
    "b": 21
  },
  "hsl": {
    "h": 354.783,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29587,
    "c": 0.09977,
    "h": 21.5
  },
  "luminance": 0.02281
}

Semantic roles & 50–950 ramp

primary

#540F15

secondary

#318E86

accent

#EDDD3B

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #540F15

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

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