#540F1C#540F1C

#540F1C is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.7% C 0.100 H 15.4°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#540F1C
RGB	rgb(84, 15, 28)
HSL	hsl(349, 70%, 19%)
HSV	hsv(349, 82%, 33%)
CMYK	cmyk(0%, 82.1%, 66.7%, 67.1%)
CIE-LAB	lab(17.04, 32.03, 10.88)
CIE-LCH	lch(17.04, 33.83, 18.77°)
OKLab	oklab(29.74% 0.096 0.0265)
OKLCH	oklch(29.74% 0.1 15.4)
XYZ	xyz(4.0370, 2.3109, 1.3319)
Luminance	0.0231 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#540F1C #0F5447

analogous

#540F3F #540F1C #54250F

triadic

#540F1C #1C540F #0F1C54

tetradic

#540F1C #3F540F #0F5447 #250F54

square

#540F1C #3F540F #0F5447 #250F54

split-complementary

#540F1C #0F5425 #0F3F54

monochromatic

#1A0509 #20060B #540F1C #88182D #BC223F

Accessibility & contrast

On white

14.36

#540F1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#540F1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #540F1C

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##540F1C	#FFFFFF	#000000	##FFFFFF
##540F1C	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22211C

Deuteranopia (green-blind)

#342F1A

Tritanopia (blue-blind)

#5D0015

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #540f1c;
/* rgb */ color: rgb(84, 15, 28);
/* oklch */ color: oklch(29.7% 0.100 15.4);

Tailwind

colors: {
  custom: {
    50: '#895457',
    500: '#540f1c',
    950: '#000000',
  },
}

SCSS

$custom: #540f1c;
$custom-light: #895457;
$custom-dark: #000000;

JSON

{
  "hex": "#540f1c",
  "rgb": {
    "r": 84,
    "g": 15,
    "b": 28
  },
  "hsl": {
    "h": 348.696,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29738,
    "c": 0.09959,
    "h": 15.4
  },
  "luminance": 0.0231
}

Semantic roles & 50–950 ramp

primary

#540F1C

secondary

#318E7C

accent

#EDCB3B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #540F1C

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

Preview Lab → · Contrast checker → · Palette generator →