#511F82#511F82

#511F82 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.156 H 302.2°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#511F82
RGB	rgb(81, 31, 130)
HSL	hsl(270, 61%, 32%)
HSV	hsv(270, 76%, 51%)
CMYK	cmyk(37.7%, 76.2%, 0%, 49%)
CIE-LAB	lab(24.77, 42.59, -46.24)
CIE-LCH	lch(24.77, 62.86, 312.65°)
OKLab	oklab(37.06% 0.0831 -0.1318)
OKLCH	oklch(37.06% 0.156 302.2)
XYZ	xyz(7.9116, 4.3410, 21.5358)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.19

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F82 #50821F

analogous

#201F82 #511F82 #821F82

triadic

#511F82 #82511F #1F8251

tetradic

#511F82 #82201F #50821F #1F8282

square

#511F82 #82201F #50821F #1F8282

split-complementary

#511F82 #82821F #1F8220

monochromatic

#13071F #321351 #511F82 #702BB3 #8E48D3

Accessibility & contrast

On white

11.24

#511F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#511F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F82

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F82	#FFFFFF	#000000	##FFFFFF
##511F82	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A85

Deuteranopia (green-blind)

#003A80

Tritanopia (blue-blind)

#47384F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511f82;
/* rgb */ color: rgb(81, 31, 130);
/* oklch */ color: oklch(37.1% 0.156 302.2);

Tailwind

colors: {
  custom: {
    50: '#8760a7',
    500: '#511f82',
    950: '#000000',
  },
}

SCSS

$custom: #511f82;
$custom-light: #8760a7;
$custom-dark: #000000;

JSON

{
  "hex": "#511f82",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 130
  },
  "hsl": {
    "h": 270.303,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37056,
    "c": 0.15584,
    "h": 302.2
  },
  "luminance": 0.04341
}

Semantic roles & 50–950 ramp

primary

#511F82

secondary

#7EB548

accent

#E54393

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511F82

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

Preview Lab → · Contrast checker → · Palette generator →