#511F8A#511F8A

#511F8A is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.8% C 0.165 H 299.5°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#511F8A
RGB	rgb(81, 31, 138)
HSL	hsl(268, 63%, 33%)
HSV	hsv(268, 78%, 54%)
CMYK	cmyk(41.3%, 77.5%, 0%, 45.9%)
CIE-LAB	lab(25.46, 44.64, -50.13)
CIE-LCH	lch(25.46, 67.13, 311.69°)
OKLab	oklab(37.75% 0.0812 -0.1433)
OKLCH	oklch(37.75% 0.165 299.5)
XYZ	xyz(8.4696, 4.5642, 24.4746)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F8A #588A1F

analogous

#1F238A #511F8A #861F8A

triadic

#511F8A #8A511F #1F8A51

tetradic

#511F8A #8A1F23 #588A1F #1F8A86

square

#511F8A #8A1F23 #588A1F #1F8A86

split-complementary

#511F8A #8A861F #238A1F

monochromatic

#160926 #341458 #511F8A #6E2ABC #8D4CD7

Accessibility & contrast

On white

10.98

#511F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#511F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F8A

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F8A	#FFFFFF	#000000	##FFFFFF
##511F8A	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8D

Deuteranopia (green-blind)

#003B88

Tritanopia (blue-blind)

#433B53

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #511f8a;
/* rgb */ color: rgb(81, 31, 138);
/* oklch */ color: oklch(37.8% 0.165 299.5);

Tailwind

colors: {
  custom: {
    50: '#8860ad',
    500: '#511f8a',
    950: '#000000',
  },
}

SCSS

$custom: #511f8a;
$custom-light: #8860ad;
$custom-dark: #000000;

JSON

{
  "hex": "#511f8a",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 138
  },
  "hsl": {
    "h": 268.037,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37753,
    "c": 0.16466,
    "h": 299.5
  },
  "luminance": 0.04564
}

Semantic roles & 50–950 ramp

primary

#511F8A

secondary

#86BA4B

accent

#E64199

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511F8A

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

Preview Lab → · Contrast checker → · Palette generator →