#511C90#511C90

#511C90 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.0% C 0.174 H 298.1°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#511C90
RGB	rgb(81, 28, 144)
HSL	hsl(267, 67%, 34%)
HSV	hsv(267, 81%, 56%)
CMYK	cmyk(43.8%, 80.6%, 0%, 43.5%)
CIE-LAB	lab(25.54, 47.48, -53.71)
CIE-LCH	lch(25.54, 71.69, 311.48°)
OKLab	oklab(37.98% 0.082 -0.1538)
OKLCH	oklch(37.98% 0.174 298.1)
XYZ	xyz(8.8413, 4.5933, 26.8009)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C90 #5B901C

analogous

#1C2190 #511C90 #8B1C90

triadic

#511C90 #90511C #1C9051

tetradic

#511C90 #901C21 #5B901C #1C908B

square

#511C90 #901C21 #5B901C #1C908B

split-complementary

#511C90 #908B1C #21901C

monochromatic

#17082A #34125D #511C90 #6E26C3 #8D4ADC

Accessibility & contrast

On white

10.95

#511C90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#511C90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C90

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C90	#FFFFFF	#000000	##FFFFFF
##511C90	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D93

Deuteranopia (green-blind)

#003B8E

Tritanopia (blue-blind)

#413C56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #511c90;
/* rgb */ color: rgb(81, 28, 144);
/* oklch */ color: oklch(38.0% 0.174 298.1);

Tailwind

colors: {
  custom: {
    50: '#895fb1',
    500: '#511c90',
    950: '#000000',
  },
}

SCSS

$custom: #511c90;
$custom-light: #895fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#511c90",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 144
  },
  "hsl": {
    "h": 267.414,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37981,
    "c": 0.17428,
    "h": 298.1
  },
  "luminance": 0.04593
}

Semantic roles & 50–950 ramp

primary

#511C90

secondary

#89BE4A

accent

#EA3D9B

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #511C90

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

Preview Lab → · Contrast checker → · Palette generator →