#540F11#540F11

#540F11 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.100 H 24.5°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#540F11
RGB	rgb(84, 15, 17)
HSL	hsl(358, 70%, 19%)
HSV	hsv(358, 82%, 33%)
CMYK	cmyk(0%, 82.1%, 79.8%, 67.1%)
CIE-LAB	lab(16.83, 31.36, 18.14)
CIE-LCH	lch(16.83, 36.22, 30.05°)
OKLab	oklab(29.52% 0.0912 0.0416)
OKLCH	oklch(29.52% 0.1 24.5)
XYZ	xyz(3.9286, 2.2675, 0.7610)
Luminance	0.0227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#540F11 #0F5452

analogous

#540F34 #540F11 #54300F

triadic

#540F11 #11540F #0F1154

tetradic

#540F11 #34540F #0F5452 #300F54

square

#540F11 #34540F #0F5452 #300F54

split-complementary

#540F11 #0F5430 #0F3454

monochromatic

#1A0505 #200606 #540F11 #88181C #BC2226

Accessibility & contrast

On white

14.45

#540F11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#540F11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #540F11

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##540F11	#FFFFFF	#000000	##FFFFFF
##540F11	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)

#242010

Deuteranopia (green-blind)

#352F0F

Tritanopia (blue-blind)

#5D0011

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #540f11;
/* rgb */ color: rgb(84, 15, 17);
/* oklch */ color: oklch(29.5% 0.100 24.5);

Tailwind

colors: {
  custom: {
    50: '#8a544f',
    500: '#540f11',
    950: '#000000',
  },
}

SCSS

$custom: #540f11;
$custom-light: #8a544f;
$custom-dark: #000000;

JSON

{
  "hex": "#540f11",
  "rgb": {
    "r": 84,
    "g": 15,
    "b": 17
  },
  "hsl": {
    "h": 358.261,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29517,
    "c": 0.10018,
    "h": 24.5
  },
  "luminance": 0.02267
}

Semantic roles & 50–950 ramp

primary

#540F11

secondary

#318E8B

accent

#EDE73B

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #540F11

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

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