#511665#511665

#511665 is a dark, vivid purple. Relative luminance 0.033; OKLCH L 33.7% C 0.136 H 315.9°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#511665
RGB	rgb(81, 22, 101)
HSL	hsl(285, 64%, 24%)
HSV	hsv(285, 78%, 40%)
CMYK	cmyk(19.8%, 78.2%, 0%, 60.4%)
CIE-LAB	lab(21.07, 39.63, -33.61)
CIE-LCH	lch(21.07, 51.96, 319.70°)
OKLab	oklab(33.71% 0.0978 -0.0947)
OKLCH	oklch(33.71% 0.136 315.9)
XYZ	xyz(6.0288, 3.2630, 12.6216)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511665 #2A6516

analogous

#2A1665 #511665 #651652

triadic

#511665 #655116 #166551

tetradic

#511665 #652A16 #2A6516 #165265

square

#511665 #652A16 #2A6516 #165265

split-complementary

#511665 #526516 #16652A

monochromatic

#140519 #290B33 #511665 #792197 #A22CCA

Accessibility & contrast

On white

12.71

#511665 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#511665 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511665

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511665	#FFFFFF	#000000	##FFFFFF
##511665	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F67

Deuteranopia (green-blind)

#153463

Tritanopia (blue-blind)

#50273C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #511665;
/* rgb */ color: rgb(81, 22, 101);
/* oklch */ color: oklch(33.7% 0.136 315.9);

Tailwind

colors: {
  custom: {
    50: '#855a91',
    500: '#511665',
    950: '#000000',
  },
}

SCSS

$custom: #511665;
$custom-light: #855a91;
$custom-dark: #000000;

JSON

{
  "hex": "#511665",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 101
  },
  "hsl": {
    "h": 284.81,
    "s": 64.228,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33712,
    "c": 0.13614,
    "h": 315.9
  },
  "luminance": 0.03263
}

Semantic roles & 50–950 ramp

primary

#511665

secondary

#549C3B

accent

#E7416B

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511665

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

Preview Lab → · Contrast checker → · Palette generator →