#511E2A#511E2A

#511E2A is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.077 H 8.0°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#511E2A
RGB	rgb(81, 30, 42)
HSL	hsl(346, 46%, 22%)
HSV	hsv(346, 63%, 32%)
CMYK	cmyk(0%, 63%, 48.1%, 68.2%)
CIE-LAB	lab(19.41, 25.18, 4.11)
CIE-LCH	lch(19.41, 25.51, 9.27°)
OKLab	oklab(31.51% 0.0765 0.0108)
OKLCH	oklch(31.51% 0.077 8)
XYZ	xyz(4.2758, 2.8455, 2.5141)
Luminance	0.0284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E2A #1E5145

analogous

#511E44 #511E2A #512C1E

triadic

#511E2A #2A511E #1E2A51

tetradic

#511E2A #44511E #1E5145 #2C1E51

square

#511E2A #44511E #1E5145 #2C1E51

split-complementary

#511E2A #1E512C #1E4451

monochromatic

#16080C #240D13 #511E2A #7E2F41 #AA3F58

Accessibility & contrast

On white

13.38

#511E2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#511E2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E2A

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E2A	#FFFFFF	#000000	##FFFFFF
##511E2A	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28292A

Deuteranopia (green-blind)

#353329

Tritanopia (blue-blind)

#581823

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511e2a;
/* rgb */ color: rgb(81, 30, 42);
/* oklch */ color: oklch(31.5% 0.077 8.0);

Tailwind

colors: {
  custom: {
    50: '#855c63',
    500: '#511e2a',
    950: '#000000',
  },
}

SCSS

$custom: #511e2a;
$custom-light: #855c63;
$custom-dark: #000000;

JSON

{
  "hex": "#511e2a",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 42
  },
  "hsl": {
    "h": 345.882,
    "s": 45.946,
    "l": 21.765
  },
  "oklch": {
    "l": 0.31515,
    "c": 0.07728,
    "h": 8
  },
  "luminance": 0.02845
}

Semantic roles & 50–950 ramp

primary

#511E2A

secondary

#458677

accent

#D6B752

background

#F8F5F5

surface

#EFE9EA

border

#CAC5C6

text

#0B0405

muted

#7C7979

Preview Lab

Preview with #511E2A

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

Preview Lab → · Contrast checker → · Palette generator →