#511A8C#511A8C

#511A8C is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.4% C 0.172 H 299.6°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#511A8C
RGB	rgb(81, 26, 140)
HSL	hsl(269, 69%, 33%)
HSV	hsv(269, 81%, 55%)
CMYK	cmyk(42.1%, 81.4%, 0%, 45.1%)
CIE-LAB	lab(24.89, 47.28, -52.29)
CIE-LCH	lch(24.89, 70.50, 312.12°)
OKLab	oklab(37.42% 0.0849 -0.1496)
OKLCH	oklch(37.42% 0.172 299.6)
XYZ	xyz(8.4952, 4.3815, 25.2040)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A8C #558C1A

analogous

#1A1C8C #511A8C #8A1A8C

triadic

#511A8C #8C511A #1A8C51

tetradic

#511A8C #8C1A1C #558C1A #1A8C8A

square

#511A8C #8C1A1C #558C1A #1A8C8A

split-complementary

#511A8C #8C8A1A #1C8C1A

monochromatic

#150725 #331058 #511A8C #6F24C0 #8E44DC

Accessibility & contrast

On white

11.19

#511A8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#511A8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A8C

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A8C	#FFFFFF	#000000	##FFFFFF
##511A8C	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8F

Deuteranopia (green-blind)

#003A8A

Tritanopia (blue-blind)

#433A53

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511a8c;
/* rgb */ color: rgb(81, 26, 140);
/* oklch */ color: oklch(37.4% 0.172 299.6);

Tailwind

colors: {
  custom: {
    50: '#885eaf',
    500: '#511a8c',
    950: '#000000',
  },
}

SCSS

$custom: #511a8c;
$custom-light: #885eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#511a8c",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 140
  },
  "hsl": {
    "h": 268.947,
    "s": 68.675,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37416,
    "c": 0.17198,
    "h": 299.6
  },
  "luminance": 0.04382
}

Semantic roles & 50–950 ramp

primary

#511A8C

secondary

#83BE44

accent

#EC3C97

background

#F8F5FA

surface

#F0E9F5

border

#CBC5CF

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511A8C

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

Preview Lab → · Contrast checker → · Palette generator →