#511E20#511E20

#511E20 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.2% C 0.077 H 20.3°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#511E20
RGB	rgb(81, 30, 32)
HSL	hsl(358, 46%, 22%)
HSV	hsv(358, 63%, 32%)
CMYK	cmyk(0%, 63%, 60.5%, 68.2%)
CIE-LAB	lab(19.15, 24.11, 10.75)
CIE-LCH	lch(19.15, 26.39, 24.04°)
OKLab	oklab(31.23% 0.0719 0.0266)
OKLCH	oklch(31.23% 0.077 20.3)
XYZ	xyz(4.1187, 2.7827, 1.6864)
Luminance	0.0278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E20 #1E514F

analogous

#511E3A #511E20 #51361E

triadic

#511E20 #20511E #1E2051

tetradic

#511E20 #3A511E #1E514F #361E51

square

#511E20 #3A511E #1E514F #361E51

split-complementary

#511E20 #1E5136 #1E3A51

monochromatic

#160809 #240D0E #511E20 #7E2F32 #AA3F43

Accessibility & contrast

On white

13.49

#511E20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511E20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E20

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E20	#FFFFFF	#000000	##FFFFFF
##511E20	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2820

Deuteranopia (green-blind)

#37321F

Tritanopia (blue-blind)

#59161F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511e20;
/* rgb */ color: rgb(81, 30, 32);
/* oklch */ color: oklch(31.2% 0.077 20.3);

Tailwind

colors: {
  custom: {
    50: '#865c5b',
    500: '#511e20',
    950: '#000000',
  },
}

SCSS

$custom: #511e20;
$custom-light: #865c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#511e20",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 32
  },
  "hsl": {
    "h": 357.647,
    "s": 45.946,
    "l": 21.765
  },
  "oklch": {
    "l": 0.31232,
    "c": 0.07669,
    "h": 20.3
  },
  "luminance": 0.02782
}

Semantic roles & 50–950 ramp

primary

#511E20

secondary

#458683

accent

#D6D052

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0404

muted

#7D7979

Preview Lab

Preview with #511E20

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

Preview Lab → · Contrast checker → · Palette generator →