#511318#511318

#511318 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.092 H 20.4°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#511318
RGB	rgb(81, 19, 24)
HSL	hsl(355, 62%, 20%)
HSV	hsv(355, 77%, 32%)
CMYK	cmyk(0%, 76.5%, 70.4%, 68.2%)
CIE-LAB	lab(16.90, 29.03, 13.43)
CIE-LCH	lch(16.90, 31.98, 24.82°)
OKLab	oklab(29.49% 0.0859 0.032)
OKLCH	oklch(29.49% 0.092 20.4)
XYZ	xyz(3.7915, 2.2816, 1.1047)
Luminance	0.0228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511318 #13514C

analogous

#511337 #511318 #512D13

triadic

#511318 #185113 #131851

tetradic

#511318 #375113 #13514C #2D1351

square

#511318 #375113 #13514C #2D1351

split-complementary

#511318 #13512D #133751

monochromatic

#190607 #1F0709 #511318 #831F27 #B42A35

Accessibility & contrast

On white

14.42

#511318 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#511318 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511318

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511318	#FFFFFF	#000000	##FFFFFF
##511318	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242118

Deuteranopia (green-blind)

#342E16

Tritanopia (blue-blind)

#5A0315

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #511318;
/* rgb */ color: rgb(81, 19, 24);
/* oklch */ color: oklch(29.5% 0.092 20.4);

Tailwind

colors: {
  custom: {
    50: '#875654',
    500: '#511318',
    950: '#000000',
  },
}

SCSS

$custom: #511318;
$custom-light: #875654;
$custom-dark: #000000;

JSON

{
  "hex": "#511318",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 24
  },
  "hsl": {
    "h": 355.161,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29488,
    "c": 0.0917,
    "h": 20.4
  },
  "luminance": 0.02281
}

Semantic roles & 50–950 ramp

primary

#511318

secondary

#368A83

accent

#E5D843

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511318

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

Preview Lab → · Contrast checker → · Palette generator →