#511055#511055

#511055 is a dark, vivid purple. Relative luminance 0.028; OKLCH L 32.0% C 0.128 H 325.5°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#511055
RGB	rgb(81, 16, 85)
HSL	hsl(297, 68%, 20%)
HSV	hsv(297, 81%, 33%)
CMYK	cmyk(4.7%, 81.2%, 0%, 66.7%)
CIE-LAB	lab(19.12, 38.64, -26.09)
CIE-LCH	lch(19.12, 46.62, 325.97°)
OKLab	oklab(31.97% 0.1056 -0.0726)
OKLCH	oklch(31.97% 0.128 325.5)
XYZ	xyz(5.2182, 2.7761, 8.8536)
Luminance	0.0278 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511055 #145510

analogous

#2F1055 #511055 #551036

triadic

#511055 #555110 #105551

tetradic

#511055 #552F10 #145510 #103655

square

#511055 #552F10 #145510 #103655

split-complementary

#511055 #365510 #10552F

monochromatic

#19051A #200621 #511055 #821A89 #B323BC

Accessibility & contrast

On white

13.50

#511055 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511055 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511055

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511055	#FFFFFF	#000000	##FFFFFF
##511055	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002957

Deuteranopia (green-blind)

#1F3153

Tritanopia (blue-blind)

#531C32

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511055;
/* rgb */ color: rgb(81, 16, 85);
/* oklch */ color: oklch(32.0% 0.128 325.5);

Tailwind

colors: {
  custom: {
    50: '#855785',
    500: '#511055',
    950: '#000000',
  },
}

SCSS

$custom: #511055;
$custom-light: #855785;
$custom-dark: #000000;

JSON

{
  "hex": "#511055",
  "rgb": {
    "r": 81,
    "g": 16,
    "b": 85
  },
  "hsl": {
    "h": 296.522,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.31969,
    "c": 0.12813,
    "h": 325.5
  },
  "luminance": 0.02776
}

Semantic roles & 50–950 ramp

primary

#511055

secondary

#388F32

accent

#EB3D47

background

#F8F5F8

surface

#EFE9EF

border

#CAC5CA

text

#0B030B

muted

#7C787C

Preview Lab

Preview with #511055

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

Preview Lab → · Contrast checker → · Palette generator →