#511016#511016

#511016 is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.1% C 0.095 H 20.6°. Best body text is #FFFFFF at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#511016
RGB	rgb(81, 16, 22)
HSL	hsl(354, 67%, 19%)
HSV	hsv(354, 80%, 32%)
CMYK	cmyk(0%, 80.2%, 72.8%, 68.2%)
CIE-LAB	lab(16.40, 30.18, 14.21)
CIE-LCH	lch(16.40, 33.36, 25.21°)
OKLab	oklab(29.1% 0.0891 0.0335)
OKLCH	oklch(29.1% 0.095 20.6)
XYZ	xyz(3.7239, 2.1784, 0.9833)
Luminance	0.0218 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511016 #10514B

analogous

#511037 #511016 #512B10

triadic

#511016 #165110 #101651

tetradic

#511016 #375110 #10514B #2B1051

square

#511016 #375110 #10514B #2B1051

split-complementary

#511016 #10512B #103751

monochromatic

#1A0507 #1E0608 #511016 #841A24 #B72432

Accessibility & contrast

On white

14.63

#511016 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#511016 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511016

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511016	#FFFFFF	#000000	##FFFFFF
##511016	1.00	14.63	1.44	14.63
#FFFFFF	14.63	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222016

Deuteranopia (green-blind)

#332E14

Tritanopia (blue-blind)

#5A0013

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #511016;
/* rgb */ color: rgb(81, 16, 22);
/* oklch */ color: oklch(29.1% 0.095 20.6);

Tailwind

colors: {
  custom: {
    50: '#875452',
    500: '#511016',
    950: '#000000',
  },
}

SCSS

$custom: #511016;
$custom-light: #875452;
$custom-dark: #000000;

JSON

{
  "hex": "#511016",
  "rgb": {
    "r": 81,
    "g": 16,
    "b": 22
  },
  "hsl": {
    "h": 354.462,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.291,
    "c": 0.09521,
    "h": 20.6
  },
  "luminance": 0.02178
}

Semantic roles & 50–950 ramp

primary

#511016

secondary

#328B83

accent

#EADA3E

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511016

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

Preview Lab → · Contrast checker → · Palette generator →