#540F0F#540F0F

#540F0F is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.100 H 25.9°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#540F0F
RGB	rgb(84, 15, 15)
HSL	hsl(0, 70%, 19%)
HSV	hsv(0, 82%, 33%)
CMYK	cmyk(0%, 82.1%, 82.1%, 67.1%)
CIE-LAB	lab(16.80, 31.26, 19.21)
CIE-LCH	lch(16.80, 36.69, 31.58°)
OKLab	oklab(29.49% 0.0904 0.0439)
OKLCH	oklch(29.49% 0.1 25.9)
XYZ	xyz(3.9137, 2.2616, 0.6823)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#540F0F #0F5454

analogous

#540F32 #540F0F #54320F

triadic

#540F0F #0F540F #0F0F54

tetradic

#540F0F #32540F #0F5454 #320F54

square

#540F0F #32540F #0F5454 #320F54

split-complementary

#540F0F #0F5432 #0F3254

monochromatic

#1A0505 #200606 #540F0F #881818 #BC2222

Accessibility & contrast

On white

14.46

#540F0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#540F0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #540F0F

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##540F0F	#FFFFFF	#000000	##FFFFFF
##540F0F	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24200E

Deuteranopia (green-blind)

#352F0C

Tritanopia (blue-blind)

#5D0010

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #540f0f;
/* rgb */ color: rgb(84, 15, 15);
/* oklch */ color: oklch(29.5% 0.100 25.9);

Tailwind

colors: {
  custom: {
    50: '#8b544d',
    500: '#540f0f',
    950: '#000000',
  },
}

SCSS

$custom: #540f0f;
$custom-light: #8b544d;
$custom-dark: #000000;

JSON

{
  "hex": "#540f0f",
  "rgb": {
    "r": 84,
    "g": 15,
    "b": 15
  },
  "hsl": {
    "h": 0,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29486,
    "c": 0.10044,
    "h": 25.9
  },
  "luminance": 0.02261
}

Semantic roles & 50–950 ramp

primary

#540F0F

secondary

#318E8E

accent

#EDED3B

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #540F0F

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

Preview Lab → · Contrast checker → · Palette generator →