#511213#511213

#511213 is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.3% C 0.093 H 24.3°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#511213
RGB	rgb(81, 18, 19)
HSL	hsl(359, 64%, 19%)
HSV	hsv(359, 78%, 32%)
CMYK	cmyk(0%, 77.8%, 76.5%, 68.2%)
CIE-LAB	lab(16.65, 29.15, 16.55)
CIE-LCH	lch(16.65, 33.52, 29.58°)
OKLab	oklab(29.27% 0.0851 0.0383)
OKLCH	oklch(29.27% 0.093 24.3)
XYZ	xyz(3.7276, 2.2295, 0.8500)
Luminance	0.0223 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511213 #125150

analogous

#511233 #511213 #513112

triadic

#511213 #135112 #121351

tetradic

#511213 #335112 #125150 #311251

square

#511213 #335112 #125150 #311251

split-complementary

#511213 #125131 #123351

monochromatic

#190606 #1F0707 #511213 #831D1F #B5282A

Accessibility & contrast

On white

14.52

#511213 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#511213 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511213

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511213	#FFFFFF	#000000	##FFFFFF
##511213	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242112

Deuteranopia (green-blind)

#342E11

Tritanopia (blue-blind)

#5A0013

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #511213;
/* rgb */ color: rgb(81, 18, 19);
/* oklch */ color: oklch(29.3% 0.093 24.3);

Tailwind

colors: {
  custom: {
    50: '#885550',
    500: '#511213',
    950: '#000000',
  },
}

SCSS

$custom: #511213;
$custom-light: #885550;
$custom-dark: #000000;

JSON

{
  "hex": "#511213",
  "rgb": {
    "r": 81,
    "g": 18,
    "b": 19
  },
  "hsl": {
    "h": 359.048,
    "s": 63.636,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29271,
    "c": 0.09334,
    "h": 24.3
  },
  "luminance": 0.02229
}

Semantic roles & 50–950 ramp

primary

#511213

secondary

#358A89

accent

#E7E441

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511213

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

Preview Lab → · Contrast checker → · Palette generator →