#511516#511516

#511516 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.7% C 0.090 H 23.5°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#511516
RGB	rgb(81, 21, 22)
HSL	hsl(359, 59%, 20%)
HSV	hsv(359, 74%, 32%)
CMYK	cmyk(0%, 74.1%, 72.8%, 68.2%)
CIE-LAB	lab(17.20, 27.97, 15.20)
CIE-LCH	lch(17.20, 31.84, 28.52°)
OKLab	oklab(29.7% 0.0821 0.0357)
OKLCH	oklch(29.7% 0.09 23.5)
XYZ	xyz(3.8067, 2.3441, 1.0109)
Luminance	0.0234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511516 #155150

analogous

#511534 #511516 #513215

triadic

#511516 #165115 #151651

tetradic

#511516 #345115 #155150 #321551

square

#511516 #345115 #155150 #321551

split-complementary

#511516 #155132 #153451

monochromatic

#180607 #200809 #511516 #822223 #B22E30

Accessibility & contrast

On white

14.30

#511516 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#511516 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511516

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511516	#FFFFFF	#000000	##FFFFFF
##511516	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252216

Deuteranopia (green-blind)

#342F14

Tritanopia (blue-blind)

#5A0616

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #511516;
/* rgb */ color: rgb(81, 21, 22);
/* oklch */ color: oklch(29.7% 0.090 23.5);

Tailwind

colors: {
  custom: {
    50: '#875753',
    500: '#511516',
    950: '#000000',
  },
}

SCSS

$custom: #511516;
$custom-light: #875753;
$custom-dark: #000000;

JSON

{
  "hex": "#511516",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 22
  },
  "hsl": {
    "h": 359,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.29698,
    "c": 0.08955,
    "h": 23.5
  },
  "luminance": 0.02344
}

Semantic roles & 50–950 ramp

primary

#511516

secondary

#398987

accent

#E2DF46

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511516

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

Preview Lab → · Contrast checker → · Palette generator →