#511A90#511A90

#511A90 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.176 H 298.3°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#511A90
RGB	rgb(81, 26, 144)
HSL	hsl(268, 69%, 33%)
HSV	hsv(268, 82%, 56%)
CMYK	cmyk(43.8%, 81.9%, 0%, 43.5%)
CIE-LAB	lab(25.26, 48.29, -54.17)
CIE-LCH	lch(25.26, 72.57, 311.72°)
OKLab	oklab(37.79% 0.0836 -0.1551)
OKLCH	oklch(37.79% 0.176 298.3)
XYZ	xyz(8.7955, 4.5016, 26.7856)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A90 #59901A

analogous

#1A1E90 #511A90 #8C1A90

triadic

#511A90 #90511A #1A9051

tetradic

#511A90 #901A1E #59901A #1A908C

square

#511A90 #901A1E #59901A #1A908C

split-complementary

#511A90 #908C1A #1E901A

monochromatic

#170728 #34115C #511A90 #6E23C4 #8D47DE

Accessibility & contrast

On white

11.05

#511A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#511A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A90

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A90	#FFFFFF	#000000	##FFFFFF
##511A90	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C93

Deuteranopia (green-blind)

#003B8E

Tritanopia (blue-blind)

#413B56

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #511a90;
/* rgb */ color: rgb(81, 26, 144);
/* oklch */ color: oklch(37.8% 0.176 298.3);

Tailwind

colors: {
  custom: {
    50: '#895eb2',
    500: '#511a90',
    950: '#000000',
  },
}

SCSS

$custom: #511a90;
$custom-light: #895eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#511a90",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 144
  },
  "hsl": {
    "h": 267.966,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37787,
    "c": 0.17618,
    "h": 298.3
  },
  "luminance": 0.04502
}

Semantic roles & 50–950 ramp

primary

#511A90

secondary

#87BF47

accent

#EC3C9A

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #511A90

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

Preview Lab → · Contrast checker → · Palette generator →