#511778#511778

#511778 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.4% C 0.154 H 307.1°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#511778
RGB	rgb(81, 23, 120)
HSL	hsl(276, 68%, 28%)
HSV	hsv(276, 81%, 47%)
CMYK	cmyk(32.5%, 80.8%, 0%, 52.9%)
CIE-LAB	lab(22.72, 43.58, -43.23)
CIE-LCH	lch(22.72, 61.39, 315.23°)
OKLab	oklab(35.35% 0.0931 -0.123)
OKLCH	oklch(35.35% 0.154 307.1)
XYZ	xyz(7.0892, 3.7183, 18.1099)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511778 #3E7817

analogous

#201778 #511778 #78176E

triadic

#511778 #785117 #177851

tetradic

#511778 #782017 #3E7817 #176E78

square

#511778 #782017 #3E7817 #176E78

split-complementary

#511778 #6E7817 #177820

monochromatic

#11051A #2E0D45 #511778 #7421AB #9532D8

Accessibility & contrast

On white

12.04

#511778 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#511778 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511778

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511778	#FFFFFF	#000000	##FFFFFF
##511778	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347B

Deuteranopia (green-blind)

#003776

Tritanopia (blue-blind)

#4A3047

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511778;
/* rgb */ color: rgb(81, 23, 120);
/* oklch */ color: oklch(35.4% 0.154 307.1);

Tailwind

colors: {
  custom: {
    50: '#865ca0',
    500: '#511778',
    950: '#000000',
  },
}

SCSS

$custom: #511778;
$custom-light: #865ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#511778",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 120
  },
  "hsl": {
    "h": 275.876,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35351,
    "c": 0.15423,
    "h": 307.1
  },
  "luminance": 0.03718
}

Semantic roles & 50–950 ramp

primary

#511778

secondary

#6AAD3E

accent

#EB3D83

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040F

muted

#7D797E

Preview Lab

Preview with #511778

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

Preview Lab → · Contrast checker → · Palette generator →