#511313#511313

#511313 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.4% C 0.092 H 24.9°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#511313
RGB	rgb(81, 19, 19)
HSL	hsl(0, 62%, 20%)
HSV	hsv(0, 77%, 32%)
CMYK	cmyk(0%, 76.5%, 76.5%, 68.2%)
CIE-LAB	lab(16.81, 28.71, 16.74)
CIE-LCH	lch(16.81, 33.24, 30.25°)
OKLab	oklab(29.39% 0.0837 0.0388)
OKLCH	oklch(29.39% 0.092 24.9)
XYZ	xyz(3.7442, 2.2626, 0.8556)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511313 #135151

analogous

#511332 #511313 #513213

triadic

#511313 #135113 #131351

tetradic

#511313 #325113 #135151 #321351

square

#511313 #325113 #135151 #321351

split-complementary

#511313 #135132 #133251

monochromatic

#190606 #1F0707 #511313 #831F1F #B42A2A

Accessibility & contrast

On white

14.46

#511313 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#511313 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511313

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511313	#FFFFFF	#000000	##FFFFFF
##511313	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242112

Deuteranopia (green-blind)

#342E11

Tritanopia (blue-blind)

#5A0214

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #511313;
/* rgb */ color: rgb(81, 19, 19);
/* oklch */ color: oklch(29.4% 0.092 24.9);

Tailwind

colors: {
  custom: {
    50: '#875550',
    500: '#511313',
    950: '#000000',
  },
}

SCSS

$custom: #511313;
$custom-light: #875550;
$custom-dark: #000000;

JSON

{
  "hex": "#511313",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 19
  },
  "hsl": {
    "h": 0,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29391,
    "c": 0.09224,
    "h": 24.9
  },
  "luminance": 0.02262
}

Semantic roles & 50–950 ramp

primary

#511313

secondary

#368A8A

accent

#E5E543

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511313

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

Preview Lab → · Contrast checker → · Palette generator →