#511A74#511A74

#511A74 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.3% C 0.147 H 308.4°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#511A74
RGB	rgb(81, 26, 116)
HSL	hsl(277, 63%, 28%)
HSV	hsv(277, 78%, 45%)
CMYK	cmyk(30.2%, 77.6%, 0%, 54.5%)
CIE-LAB	lab(22.82, 41.38, -40.50)
CIE-LCH	lch(22.82, 57.90, 315.62°)
OKLab	oklab(35.32% 0.0911 -0.1149)
OKLCH	oklch(35.32% 0.147 308.4)
XYZ	xyz(6.9145, 3.7492, 16.8790)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A74 #3D741A

analogous

#241A74 #511A74 #741A6A

triadic

#511A74 #74511A #1A7451

tetradic

#511A74 #74241A #3D741A #1A6A74

square

#511A74 #74241A #3D741A #1A6A74

split-complementary

#511A74 #6A741A #1A7424

monochromatic

#110619 #2E0F42 #511A74 #7425A6 #9536D2

Accessibility & contrast

On white

12.00

#511A74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#511A74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A74

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A74	#FFFFFF	#000000	##FFFFFF
##511A74	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003477

Deuteranopia (green-blind)

#003772

Tritanopia (blue-blind)

#4B2F46

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511a74;
/* rgb */ color: rgb(81, 26, 116);
/* oklch */ color: oklch(35.3% 0.147 308.4);

Tailwind

colors: {
  custom: {
    50: '#865d9d',
    500: '#511a74',
    950: '#000000',
  },
}

SCSS

$custom: #511a74;
$custom-light: #865d9d;
$custom-dark: #000000;

JSON

{
  "hex": "#511a74",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 116
  },
  "hsl": {
    "h": 276.667,
    "s": 63.38,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35323,
    "c": 0.14668,
    "h": 308.4
  },
  "luminance": 0.03749
}

Semantic roles & 50–950 ramp

primary

#511A74

secondary

#69A941

accent

#E64182

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #511A74

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

Preview Lab → · Contrast checker → · Palette generator →