#511255#511255

#511255 is a dark, vivid purple. Relative luminance 0.028; OKLCH L 32.2% C 0.126 H 325.4°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#511255
RGB	rgb(81, 18, 85)
HSL	hsl(296, 65%, 20%)
HSV	hsv(296, 79%, 33%)
CMYK	cmyk(4.7%, 78.8%, 0%, 66.7%)
CIE-LAB	lab(19.38, 37.89, -25.67)
CIE-LCH	lch(19.38, 45.77, 325.88°)
OKLab	oklab(32.15% 0.1035 -0.0714)
OKLCH	oklch(32.15% 0.126 325.4)
XYZ	xyz(5.2492, 2.8382, 8.8639)
Luminance	0.0284 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511255 #165512

analogous

#2F1255 #511255 #551237

triadic

#511255 #555112 #125551

tetradic

#511255 #552F12 #165512 #123755

square

#511255 #552F12 #165512 #123755

split-complementary

#511255 #375512 #12552F

monochromatic

#180519 #210722 #511255 #811D88 #B127BA

Accessibility & contrast

On white

13.40

#511255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#511255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511255

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511255	#FFFFFF	#000000	##FFFFFF
##511255	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012A57

Deuteranopia (green-blind)

#203253

Tritanopia (blue-blind)

#531D32

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511255;
/* rgb */ color: rgb(81, 18, 85);
/* oklch */ color: oklch(32.2% 0.126 325.4);

Tailwind

colors: {
  custom: {
    50: '#855785',
    500: '#511255',
    950: '#000000',
  },
}

SCSS

$custom: #511255;
$custom-light: #855785;
$custom-dark: #000000;

JSON

{
  "hex": "#511255",
  "rgb": {
    "r": 81,
    "g": 18,
    "b": 85
  },
  "hsl": {
    "h": 296.418,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.32154,
    "c": 0.12576,
    "h": 325.4
  },
  "luminance": 0.02838
}

Semantic roles & 50–950 ramp

primary

#511255

secondary

#3A8E35

accent

#E8404A

background

#F8F5F8

surface

#EFE9EF

border

#CAC5CA

text

#0B030B

muted

#7C787C

Preview Lab

Preview with #511255

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

Preview Lab → · Contrast checker → · Palette generator →