#511870#511870

#511870 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.8% C 0.145 H 310.4°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#511870
RGB	rgb(81, 24, 112)
HSL	hsl(279, 65%, 27%)
HSV	hsv(279, 79%, 44%)
CMYK	cmyk(27.7%, 78.6%, 0%, 56.1%)
CIE-LAB	lab(22.20, 41.29, -38.93)
CIE-LCH	lch(22.20, 56.75, 316.69°)
OKLab	oklab(34.78% 0.0939 -0.1103)
OKLCH	oklch(34.78% 0.145 310.4)
XYZ	xyz(6.6440, 3.5726, 15.6657)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511870 #377018

analogous

#251870 #511870 #701863

triadic

#511870 #705118 #187051

tetradic

#511870 #702518 #377018 #186370

square

#511870 #702518 #377018 #186370

split-complementary

#511870 #637018 #187025

monochromatic

#120519 #2D0D3E #511870 #7523A2 #9930D3

Accessibility & contrast

On white

12.25

#511870 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#511870 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511870

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511870	#FFFFFF	#000000	##FFFFFF
##511870	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003372

Deuteranopia (green-blind)

#04366E

Tritanopia (blue-blind)

#4D2D43

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511870;
/* rgb */ color: rgb(81, 24, 112);
/* oklch */ color: oklch(34.8% 0.145 310.4);

Tailwind

colors: {
  custom: {
    50: '#865c9a',
    500: '#511870',
    950: '#000000',
  },
}

SCSS

$custom: #511870;
$custom-light: #865c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#511870",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 112
  },
  "hsl": {
    "h": 278.864,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.34785,
    "c": 0.14489,
    "h": 310.4
  },
  "luminance": 0.03572
}

Semantic roles & 50–950 ramp

primary

#511870

secondary

#63A53E

accent

#E8407B

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #511870

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

Preview Lab → · Contrast checker → · Palette generator →