#511F20#511F20

#511F20 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.4% C 0.075 H 21.2°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#511F20
RGB	rgb(81, 31, 32)
HSL	hsl(359, 45%, 22%)
HSV	hsv(359, 62%, 32%)
CMYK	cmyk(0%, 61.7%, 60.5%, 68.2%)
CIE-LAB	lab(19.37, 23.54, 11.04)
CIE-LCH	lch(19.37, 26.00, 25.12°)
OKLab	oklab(31.39% 0.0702 0.0273)
OKLCH	oklch(31.39% 0.075 21.2)
XYZ	xyz(4.1444, 2.8341, 1.6950)
Luminance	0.0283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F20 #1F5150

analogous

#511F39 #511F20 #51371F

triadic

#511F20 #20511F #1F2051

tetradic

#511F20 #39511F #1F5150 #371F51

square

#511F20 #39511F #1F5150 #371F51

split-complementary

#511F20 #1F5137 #1F3951

monochromatic

#160809 #250E0F #511F20 #7D3031 #AA4143

Accessibility & contrast

On white

13.40

#511F20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#511F20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F20

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F20	#FFFFFF	#000000	##FFFFFF
##511F20	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2820

Deuteranopia (green-blind)

#37331F

Tritanopia (blue-blind)

#591720

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511f20;
/* rgb */ color: rgb(81, 31, 32);
/* oklch */ color: oklch(31.4% 0.075 21.2);

Tailwind

colors: {
  custom: {
    50: '#855d5b',
    500: '#511f20',
    950: '#000000',
  },
}

SCSS

$custom: #511f20;
$custom-light: #855d5b;
$custom-dark: #000000;

JSON

{
  "hex": "#511f20",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 32
  },
  "hsl": {
    "h": 358.8,
    "s": 44.643,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31394,
    "c": 0.07528,
    "h": 21.2
  },
  "luminance": 0.02834
}

Semantic roles & 50–950 ramp

primary

#511F20

secondary

#468684

accent

#D4D253

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0404

muted

#7D7979

Preview Lab

Preview with #511F20

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

Preview Lab → · Contrast checker → · Palette generator →