#511513#511513

#511513 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.6% C 0.090 H 26.1°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#511513
RGB	rgb(81, 21, 19)
HSL	hsl(2, 62%, 20%)
HSV	hsv(2, 77%, 32%)
CMYK	cmyk(0%, 74.1%, 76.5%, 68.2%)
CIE-LAB	lab(17.15, 27.79, 17.16)
CIE-LCH	lch(17.15, 32.66, 31.69°)
OKLab	oklab(29.64% 0.0808 0.0397)
OKLCH	oklch(29.64% 0.09 26.1)
XYZ	xyz(3.7795, 2.3332, 0.8673)
Luminance	0.0233 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511513 #134F51

analogous

#511330 #511513 #513413

triadic

#511513 #135115 #151351

tetradic

#511513 #305113 #134F51 #341351

square

#511513 #305113 #134F51 #341351

split-complementary

#511513 #135134 #133051

monochromatic

#190606 #1F0807 #511513 #83221F #B42F2A

Accessibility & contrast

On white

14.32

#511513 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#511513 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511513

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511513	#FFFFFF	#000000	##FFFFFF
##511513	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262212

Deuteranopia (green-blind)

#352F11

Tritanopia (blue-blind)

#5A0515

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #511513;
/* rgb */ color: rgb(81, 21, 19);
/* oklch */ color: oklch(29.6% 0.090 26.1);

Tailwind

colors: {
  custom: {
    50: '#875750',
    500: '#511513',
    950: '#000000',
  },
}

SCSS

$custom: #511513;
$custom-light: #875750;
$custom-dark: #000000;

JSON

{
  "hex": "#511513",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 19
  },
  "hsl": {
    "h": 1.935,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29643,
    "c": 0.09,
    "h": 26.1
  },
  "luminance": 0.02333
}

Semantic roles & 50–950 ramp

primary

#511513

secondary

#36878A

accent

#E0E543

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511513

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

Preview Lab → · Contrast checker → · Palette generator →