#663285#663285

#663285 is a dark, vivid violet. Relative luminance 0.068; OKLCH L 42.5% C 0.139 H 310.7°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#663285
RGB	rgb(102, 50, 133)
HSL	hsl(278, 45%, 36%)
HSV	hsv(278, 62%, 52%)
CMYK	cmyk(23.3%, 62.4%, 0%, 47.8%)
CIE-LAB	lab(31.35, 38.49, -37.35)
CIE-LCH	lch(31.35, 53.64, 315.86°)
OKLab	oklab(42.47% 0.0905 -0.1051)
OKLCH	oklch(42.47% 0.139 310.7)
XYZ	xyz(10.8529, 6.7997, 22.9265)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663285 #518532

analogous

#3C3285 #663285 #85327A

triadic

#663285 #856632 #328566

tetradic

#663285 #853C32 #518532 #327A85

square

#663285 #853C32 #518532 #327A85

split-complementary

#663285 #7A8532 #32853C

monochromatic

#22112C #442159 #663285 #8843B1 #A46AC7

Accessibility & contrast

On white

8.90

#663285 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#663285 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663285

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663285	#FFFFFF	#000000	##FFFFFF
##663285	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114788

Deuteranopia (green-blind)

#2A4B83

Tritanopia (blue-blind)

#624256

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #663285;
/* rgb */ color: rgb(102, 50, 133);
/* oklch */ color: oklch(42.5% 0.139 310.7);

Tailwind

colors: {
  custom: {
    50: '#946da9',
    500: '#663285',
    950: '#000000',
  },
}

SCSS

$custom: #663285;
$custom-light: #946da9;
$custom-dark: #000000;

JSON

{
  "hex": "#663285",
  "rgb": {
    "r": 102,
    "g": 50,
    "b": 133
  },
  "hsl": {
    "h": 277.59,
    "s": 45.355,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42467,
    "c": 0.13871,
    "h": 310.7
  },
  "luminance": 0.06799
}

Semantic roles & 50–950 ramp

primary

#663285

secondary

#80AF64

accent

#D55383

background

#F9F6FA

surface

#F2ECF4

border

#CCC7CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #663285

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

Preview Lab → · Contrast checker → · Palette generator →