#540F1F#540F1F

#540F1F is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.8% C 0.100 H 12.7°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#540F1F
RGB	rgb(84, 15, 31)
HSL	hsl(346, 70%, 19%)
HSV	hsv(346, 82%, 33%)
CMYK	cmyk(0%, 82.1%, 63.1%, 67.1%)
CIE-LAB	lab(17.11, 32.27, 8.82)
CIE-LCH	lch(17.11, 33.45, 15.29°)
OKLab	oklab(29.82% 0.0974 0.0219)
OKLCH	oklch(29.82% 0.1 12.7)
XYZ	xyz(4.0747, 2.3260, 1.5305)
Luminance	0.0232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#540F1F #0F5444

analogous

#540F42 #540F1F #54220F

triadic

#540F1F #1F540F #0F1F54

tetradic

#540F1F #42540F #0F5444 #220F54

square

#540F1F #42540F #0F5444 #220F54

split-complementary

#540F1F #0F5422 #0F4254

monochromatic

#1A050A #20060C #540F1F #881832 #BC2245

Accessibility & contrast

On white

14.33

#540F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#540F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #540F1F

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##540F1F	#FFFFFF	#000000	##FFFFFF
##540F1F	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22211F

Deuteranopia (green-blind)

#332F1D

Tritanopia (blue-blind)

#5D0016

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #540f1f;
/* rgb */ color: rgb(84, 15, 31);
/* oklch */ color: oklch(29.8% 0.100 12.7);

Tailwind

colors: {
  custom: {
    50: '#89555a',
    500: '#540f1f',
    950: '#000000',
  },
}

SCSS

$custom: #540f1f;
$custom-light: #89555a;
$custom-dark: #000000;

JSON

{
  "hex": "#540f1f",
  "rgb": {
    "r": 84,
    "g": 15,
    "b": 31
  },
  "hsl": {
    "h": 346.087,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29815,
    "c": 0.09979,
    "h": 12.7
  },
  "luminance": 0.02325
}

Semantic roles & 50–950 ramp

primary

#540F1F

secondary

#318E78

accent

#EDC33B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #540F1F

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

Preview Lab → · Contrast checker → · Palette generator →