#511713#511713

#511713 is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.9% C 0.088 H 27.6°. Best body text is #FFFFFF at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#511713
RGB	rgb(81, 23, 19)
HSL	hsl(4, 62%, 20%)
HSV	hsv(4, 77%, 32%)
CMYK	cmyk(0%, 71.6%, 76.5%, 68.2%)
CIE-LAB	lab(17.51, 26.82, 17.59)
CIE-LCH	lch(17.51, 32.07, 33.27°)
OKLab	oklab(29.91% 0.0777 0.0406)
OKLCH	oklch(29.91% 0.088 27.6)
XYZ	xyz(3.8177, 2.4097, 0.8801)
Luminance	0.0241 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511713 #134D51

analogous

#51132E #511713 #513613

triadic

#511713 #135117 #171351

tetradic

#511713 #2E5113 #134D51 #361351

square

#511713 #2E5113 #134D51 #361351

split-complementary

#511713 #135136 #132E51

monochromatic

#190706 #1F0907 #511713 #83251F #B4332A

Accessibility & contrast

On white

14.17

#511713 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#511713 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511713

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511713	#FFFFFF	#000000	##FFFFFF
##511713	1.00	14.17	1.48	14.17
#FFFFFF	14.17	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272312

Deuteranopia (green-blind)

#353011

Tritanopia (blue-blind)

#5A0816

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #511713;
/* rgb */ color: rgb(81, 23, 19);
/* oklch */ color: oklch(29.9% 0.088 27.6);

Tailwind

colors: {
  custom: {
    50: '#875850',
    500: '#511713',
    950: '#000000',
  },
}

SCSS

$custom: #511713;
$custom-light: #875850;
$custom-dark: #000000;

JSON

{
  "hex": "#511713",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 19
  },
  "hsl": {
    "h": 3.871,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29912,
    "c": 0.08769,
    "h": 27.6
  },
  "luminance": 0.02409
}

Semantic roles & 50–950 ramp

primary

#511713

secondary

#36848A

accent

#DBE543

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511713

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

Preview Lab → · Contrast checker → · Palette generator →