#511D8F#511D8F

#511D8F is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.0% C 0.172 H 298.2°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#511D8F
RGB	rgb(81, 29, 143)
HSL	hsl(267, 66%, 34%)
HSV	hsv(267, 80%, 56%)
CMYK	cmyk(43.4%, 79.7%, 0%, 43.9%)
CIE-LAB	lab(25.60, 46.81, -53.01)
CIE-LCH	lch(25.60, 70.72, 311.45°)
OKLab	oklab(37.99% 0.0815 -0.1517)
OKLCH	oklch(37.99% 0.172 298.2)
XYZ	xyz(8.7893, 4.6111, 26.4082)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D8F #5B8F1D

analogous

#1D228F #511D8F #8A1D8F

triadic

#511D8F #8F511D #1D8F51

tetradic

#511D8F #8F1D22 #5B8F1D #1D8F8A

square

#511D8F #8F1D22 #5B8F1D #1D8F8A

split-complementary

#511D8F #8F8A1D #228F1D

monochromatic

#170829 #34135C #511D8F #6E27C2 #8D4CDB

Accessibility & contrast

On white

10.92

#511D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#511D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D8F

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D8F	#FFFFFF	#000000	##FFFFFF
##511D8F	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#003B8D

Tritanopia (blue-blind)

#413C56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #511d8f;
/* rgb */ color: rgb(81, 29, 143);
/* oklch */ color: oklch(38.0% 0.172 298.2);

Tailwind

colors: {
  custom: {
    50: '#8860b1',
    500: '#511d8f',
    950: '#000000',
  },
}

SCSS

$custom: #511d8f;
$custom-light: #8860b1;
$custom-dark: #000000;

JSON

{
  "hex": "#511d8f",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 143
  },
  "hsl": {
    "h": 267.368,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.3799,
    "c": 0.17222,
    "h": 298.2
  },
  "luminance": 0.04611
}

Semantic roles & 50–950 ramp

primary

#511D8F

secondary

#89BD4B

accent

#E93F9B

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #511D8F

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

Preview Lab → · Contrast checker → · Palette generator →