#511517#511517

#511517 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.7% C 0.089 H 22.6°. Best body text is #FFFFFF at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#511517
RGB	rgb(81, 21, 23)
HSL	hsl(358, 59%, 20%)
HSV	hsv(358, 74%, 32%)
CMYK	cmyk(0%, 74.1%, 71.6%, 68.2%)
CIE-LAB	lab(17.22, 28.04, 14.53)
CIE-LCH	lch(17.22, 31.58, 27.39°)
OKLab	oklab(29.72% 0.0826 0.0344)
OKLCH	oklch(29.72% 0.089 22.6)
XYZ	xyz(3.8166, 2.3481, 1.0627)
Luminance	0.0235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511517 #15514F

analogous

#511535 #511517 #513115

triadic

#511517 #175115 #151751

tetradic

#511517 #355115 #15514F #311551

square

#511517 #355115 #15514F #311551

split-complementary

#511517 #155131 #153551

monochromatic

#180607 #200809 #511517 #822225 #B22E33

Accessibility & contrast

On white

14.29

#511517 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#511517 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511517

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511517	#FFFFFF	#000000	##FFFFFF
##511517	1.00	14.29	1.47	14.29
#FFFFFF	14.29	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252217

Deuteranopia (green-blind)

#342F15

Tritanopia (blue-blind)

#5A0616

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #511517;
/* rgb */ color: rgb(81, 21, 23);
/* oklch */ color: oklch(29.7% 0.089 22.6);

Tailwind

colors: {
  custom: {
    50: '#875753',
    500: '#511517',
    950: '#000000',
  },
}

SCSS

$custom: #511517;
$custom-light: #875753;
$custom-dark: #000000;

JSON

{
  "hex": "#511517",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 23
  },
  "hsl": {
    "h": 358,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.29718,
    "c": 0.08943,
    "h": 22.6
  },
  "luminance": 0.02348
}

Semantic roles & 50–950 ramp

primary

#511517

secondary

#398986

accent

#E2DD46

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511517

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

Preview Lab → · Contrast checker → · Palette generator →