#540F1D#540F1D

#540F1D is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.8% C 0.100 H 14.5°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#540F1D
RGB	rgb(84, 15, 29)
HSL	hsl(348, 70%, 19%)
HSV	hsv(348, 82%, 33%)
CMYK	cmyk(0%, 82.1%, 65.5%, 67.1%)
CIE-LAB	lab(17.06, 32.11, 10.20)
CIE-LCH	lch(17.06, 33.69, 17.62°)
OKLab	oklab(29.76% 0.0964 0.025)
OKLCH	oklch(29.76% 0.1 14.5)
XYZ	xyz(4.0492, 2.3158, 1.3959)
Luminance	0.0232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#540F1D #0F5446

analogous

#540F40 #540F1D #54240F

triadic

#540F1D #1D540F #0F1D54

tetradic

#540F1D #40540F #0F5446 #240F54

square

#540F1D #40540F #0F5446 #240F54

split-complementary

#540F1D #0F5424 #0F4054

monochromatic

#1A0509 #20060B #540F1D #88182F #BC2241

Accessibility & contrast

On white

14.35

#540F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#540F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #540F1D

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##540F1D	#FFFFFF	#000000	##FFFFFF
##540F1D	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22211D

Deuteranopia (green-blind)

#342F1B

Tritanopia (blue-blind)

#5D0015

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #540f1d;
/* rgb */ color: rgb(84, 15, 29);
/* oklch */ color: oklch(29.8% 0.100 14.5);

Tailwind

colors: {
  custom: {
    50: '#895458',
    500: '#540f1d',
    950: '#000000',
  },
}

SCSS

$custom: #540f1d;
$custom-light: #895458;
$custom-dark: #000000;

JSON

{
  "hex": "#540f1d",
  "rgb": {
    "r": 84,
    "g": 15,
    "b": 29
  },
  "hsl": {
    "h": 347.826,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29763,
    "c": 0.09963,
    "h": 14.5
  },
  "luminance": 0.02315
}

Semantic roles & 50–950 ramp

primary

#540F1D

secondary

#318E7B

accent

#EDC93B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #540F1D

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

Preview Lab → · Contrast checker → · Palette generator →