#540F10#540F10

#540F10 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.100 H 25.2°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#540F10
RGB	rgb(84, 15, 16)
HSL	hsl(359, 70%, 19%)
HSV	hsv(359, 82%, 33%)
CMYK	cmyk(0%, 82.1%, 81%, 67.1%)
CIE-LAB	lab(16.82, 31.31, 18.69)
CIE-LCH	lch(16.82, 36.46, 30.83°)
OKLab	oklab(29.5% 0.0908 0.0427)
OKLCH	oklch(29.5% 0.1 25.2)
XYZ	xyz(3.9210, 2.2645, 0.7207)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#540F10 #0F5453

analogous

#540F33 #540F10 #54310F

triadic

#540F10 #10540F #0F1054

tetradic

#540F10 #33540F #0F5453 #310F54

square

#540F10 #33540F #0F5453 #310F54

split-complementary

#540F10 #0F5431 #0F3354

monochromatic

#1A0505 #200606 #540F10 #88181A #BC2224

Accessibility & contrast

On white

14.45

#540F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#540F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #540F10

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##540F10	#FFFFFF	#000000	##FFFFFF
##540F10	1.00	14.45	1.45	14.45
#FFFFFF	14.45	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24200F

Deuteranopia (green-blind)

#352F0D

Tritanopia (blue-blind)

#5D0010

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #540f10;
/* rgb */ color: rgb(84, 15, 16);
/* oklch */ color: oklch(29.5% 0.100 25.2);

Tailwind

colors: {
  custom: {
    50: '#8b544e',
    500: '#540f10',
    950: '#000000',
  },
}

SCSS

$custom: #540f10;
$custom-light: #8b544e;
$custom-dark: #000000;

JSON

{
  "hex": "#540f10",
  "rgb": {
    "r": 84,
    "g": 15,
    "b": 16
  },
  "hsl": {
    "h": 359.13,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29501,
    "c": 0.10031,
    "h": 25.2
  },
  "luminance": 0.02264
}

Semantic roles & 50–950 ramp

primary

#540F10

secondary

#318E8D

accent

#EDEA3B

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #540F10

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

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