#511D5A#511D5A

#511D5A is a dark, moderate purple. Relative luminance 0.034; OKLCH L 33.7% C 0.115 H 321.5°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#511D5A
RGB	rgb(81, 29, 90)
HSL	hsl(291, 51%, 23%)
HSV	hsv(291, 68%, 35%)
CMYK	cmyk(10%, 67.8%, 0%, 64.7%)
CIE-LAB	lab(21.46, 34.01, -25.72)
CIE-LCH	lch(21.46, 42.64, 322.90°)
OKLab	oklab(33.75% 0.09 -0.0717)
OKLCH	oklch(33.75% 0.115 321.5)
XYZ	xyz(5.6780, 3.3665, 10.0216)
Luminance	0.0337 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D5A #265A1D

analogous

#321D5A #511D5A #5A1D44

triadic

#511D5A #5A511D #1D5A51

tetradic

#511D5A #5A321D #265A1D #1D445A

square

#511D5A #5A321D #265A1D #1D445A

split-complementary

#511D5A #445A1D #1D5A32

monochromatic

#150717 #270E2C #511D5A #7B2C88 #A43BB7

Accessibility & contrast

On white

12.55

#511D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#511D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D5A

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D5A	#FFFFFF	#000000	##FFFFFF
##511D5A	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E305C

Deuteranopia (green-blind)

#243558

Tritanopia (blue-blind)

#522738

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #511d5a;
/* rgb */ color: rgb(81, 29, 90);
/* oklch */ color: oklch(33.7% 0.115 321.5);

Tailwind

colors: {
  custom: {
    50: '#845d89',
    500: '#511d5a',
    950: '#000000',
  },
}

SCSS

$custom: #511d5a;
$custom-light: #845d89;
$custom-dark: #000000;

JSON

{
  "hex": "#511d5a",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 90
  },
  "hsl": {
    "h": 291.148,
    "s": 51.261,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33749,
    "c": 0.11506,
    "h": 321.5
  },
  "luminance": 0.03366
}

Semantic roles & 50–950 ramp

primary

#511D5A

secondary

#4F8F44

accent

#DB4D62

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #511D5A

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

Preview Lab → · Contrast checker → · Palette generator →