#511978#511978

#511978 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.5% C 0.152 H 306.9°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#511978
RGB	rgb(81, 25, 120)
HSL	hsl(275, 66%, 28%)
HSV	hsv(275, 79%, 47%)
CMYK	cmyk(32.5%, 79.2%, 0%, 52.9%)
CIE-LAB	lab(23.00, 42.77, -42.77)
CIE-LCH	lch(23.00, 60.49, 315.00°)
OKLab	oklab(35.55% 0.0912 -0.1216)
OKLCH	oklch(35.55% 0.152 306.9)
XYZ	xyz(7.1304, 3.8007, 18.1236)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511978 #407819

analogous

#211978 #511978 #78196F

triadic

#511978 #785119 #197851

tetradic

#511978 #782119 #407819 #196F78

square

#511978 #782119 #407819 #196F78

split-complementary

#511978 #6F7819 #197821

monochromatic

#110519 #2F0E45 #511978 #7324AB #9436D5

Accessibility & contrast

On white

11.93

#511978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#511978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511978

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511978	#FFFFFF	#000000	##FFFFFF
##511978	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357B

Deuteranopia (green-blind)

#003776

Tritanopia (blue-blind)

#4A3148

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511978;
/* rgb */ color: rgb(81, 25, 120);
/* oklch */ color: oklch(35.5% 0.152 306.9);

Tailwind

colors: {
  custom: {
    50: '#865ca0',
    500: '#511978',
    950: '#000000',
  },
}

SCSS

$custom: #511978;
$custom-light: #865ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#511978",
  "rgb": {
    "r": 81,
    "g": 25,
    "b": 120
  },
  "hsl": {
    "h": 275.368,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3555,
    "c": 0.15203,
    "h": 306.9
  },
  "luminance": 0.03801
}

Semantic roles & 50–950 ramp

primary

#511978

secondary

#6DAD40

accent

#E83F85

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040F

muted

#7D797E

Preview Lab

Preview with #511978

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

Preview Lab → · Contrast checker → · Palette generator →