#663186#663186

#663186 is a dark, vivid violet. Relative luminance 0.067; OKLCH L 42.4% C 0.141 H 310.5°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#663186
RGB	rgb(102, 49, 134)
HSL	hsl(277, 46%, 36%)
HSV	hsv(277, 63%, 53%)
CMYK	cmyk(23.9%, 63.4%, 0%, 47.5%)
CIE-LAB	lab(31.21, 39.26, -38.19)
CIE-LCH	lch(31.21, 54.77, 315.80°)
OKLab	oklab(42.39% 0.0918 -0.1075)
OKLCH	oklch(42.39% 0.141 310.5)
XYZ	xyz(10.8801, 6.7429, 23.2780)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663186 #518631

analogous

#3B3186 #663186 #86317B

triadic

#663186 #866631 #318666

tetradic

#663186 #863B31 #518631 #317B86

square

#663186 #863B31 #518631 #317B86

split-complementary

#663186 #7B8631 #31863B

monochromatic

#22102C #442159 #663186 #8841B3 #A469C8

Accessibility & contrast

On white

8.94

#663186 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#663186 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663186

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663186	#FFFFFF	#000000	##FFFFFF
##663186	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4789

Deuteranopia (green-blind)

#284A84

Tritanopia (blue-blind)

#624157

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #663186;
/* rgb */ color: rgb(102, 49, 134);
/* oklch */ color: oklch(42.4% 0.141 310.5);

Tailwind

colors: {
  custom: {
    50: '#946caa',
    500: '#663186',
    950: '#000000',
  },
}

SCSS

$custom: #663186;
$custom-light: #946caa;
$custom-dark: #000000;

JSON

{
  "hex": "#663186",
  "rgb": {
    "r": 102,
    "g": 49,
    "b": 134
  },
  "hsl": {
    "h": 277.412,
    "s": 46.448,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42391,
    "c": 0.14141,
    "h": 310.5
  },
  "luminance": 0.06743
}

Semantic roles & 50–950 ramp

primary

#663186

secondary

#80B063

accent

#D65284

background

#F9F6FA

surface

#F2ECF4

border

#CCC7CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #663186

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

Preview Lab → · Contrast checker → · Palette generator →