#511C5C#511C5C

#511C5C is a dark, moderate purple. Relative luminance 0.034; OKLCH L 33.8% C 0.119 H 320.3°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#511C5C
RGB	rgb(81, 28, 92)
HSL	hsl(290, 53%, 24%)
HSV	hsv(290, 70%, 36%)
CMYK	cmyk(12%, 69.6%, 0%, 63.9%)
CIE-LAB	lab(21.40, 34.94, -27.13)
CIE-LCH	lch(21.40, 44.24, 322.17°)
OKLab	oklab(33.75% 0.0914 -0.0757)
OKLCH	oklch(33.75% 0.119 320.3)
XYZ	xyz(5.7401, 3.3528, 10.4679)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C5C #275C1C

analogous

#311C5C #511C5C #5C1C47

triadic

#511C5C #5C511C #1C5C51

tetradic

#511C5C #5C311C #275C1C #1C475C

square

#511C5C #5C311C #275C1C #1C475C

split-complementary

#511C5C #475C1C #1C5C31

monochromatic

#150717 #280E2D #511C5C #7A2A8B #A439BA

Accessibility & contrast

On white

12.57

#511C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#511C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C5C

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C5C	#FFFFFF	#000000	##FFFFFF
##511C5C	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09305E

Deuteranopia (green-blind)

#22355A

Tritanopia (blue-blind)

#512739

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #511c5c;
/* rgb */ color: rgb(81, 28, 92);
/* oklch */ color: oklch(33.8% 0.119 320.3);

Tailwind

colors: {
  custom: {
    50: '#845d8a',
    500: '#511c5c',
    950: '#000000',
  },
}

SCSS

$custom: #511c5c;
$custom-light: #845d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#511c5c",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 92
  },
  "hsl": {
    "h": 289.688,
    "s": 53.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33753,
    "c": 0.11869,
    "h": 320.3
  },
  "luminance": 0.03353
}

Semantic roles & 50–950 ramp

primary

#511C5C

secondary

#509142

accent

#DD4B64

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #511C5C

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

Preview Lab → · Contrast checker → · Palette generator →