#511570#511570

#511570 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.5% C 0.148 H 310.8°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#511570
RGB	rgb(81, 21, 112)
HSL	hsl(280, 68%, 26%)
HSV	hsv(280, 81%, 44%)
CMYK	cmyk(27.7%, 81.2%, 0%, 56.1%)
CIE-LAB	lab(21.78, 42.50, -39.61)
CIE-LCH	lch(21.78, 58.10, 317.02°)
OKLab	oklab(34.49% 0.0968 -0.1123)
OKLCH	oklch(34.49% 0.148 310.8)
XYZ	xyz(6.5856, 3.4557, 15.6462)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511570 #347015

analogous

#231570 #511570 #701561

triadic

#511570 #705115 #157051

tetradic

#511570 #702315 #347015 #156170

square

#511570 #702315 #347015 #156170

split-complementary

#511570 #617015 #157023

monochromatic

#13051A #2C0B3C #511570 #761FA4 #9B29D7

Accessibility & contrast

On white

12.42

#511570 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#511570 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511570

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511570	#FFFFFF	#000000	##FFFFFF
##511570	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003272

Deuteranopia (green-blind)

#00356E

Tritanopia (blue-blind)

#4D2B42

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #511570;
/* rgb */ color: rgb(81, 21, 112);
/* oklch */ color: oklch(34.5% 0.148 310.8);

Tailwind

colors: {
  custom: {
    50: '#865a9a',
    500: '#511570',
    950: '#000000',
  },
}

SCSS

$custom: #511570;
$custom-light: #865a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#511570",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 112
  },
  "hsl": {
    "h": 279.56,
    "s": 68.421,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34488,
    "c": 0.14827,
    "h": 310.8
  },
  "luminance": 0.03456
}

Semantic roles & 50–950 ramp

primary

#511570

secondary

#5FA63B

accent

#EB3D78

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #511570

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

Preview Lab → · Contrast checker → · Palette generator →