#663289#663289

#663289 is a dark, vivid violet. Relative luminance 0.069; OKLCH L 42.7% C 0.143 H 309.1°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#663289
RGB	rgb(102, 50, 137)
HSL	hsl(276, 47%, 37%)
HSV	hsv(276, 64%, 54%)
CMYK	cmyk(25.5%, 63.5%, 0%, 46.3%)
CIE-LAB	lab(31.61, 39.45, -39.42)
CIE-LCH	lch(31.61, 55.77, 315.03°)
OKLab	oklab(42.74% 0.0904 -0.1112)
OKLCH	oklch(42.74% 0.143 309.1)
XYZ	xyz(11.1346, 6.9123, 24.4097)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663289 #558932

analogous

#3B3289 #663289 #893281

triadic

#663289 #896632 #328966

tetradic

#663289 #893B32 #558932 #328189

square

#663289 #893B32 #558932 #328189

split-complementary

#663289 #818932 #32893B

monochromatic

#23112F #45225C #663289 #8742B6 #A46CC9

Accessibility & contrast

On white

8.81

#663289 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#663289 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663289

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663289	#FFFFFF	#000000	##FFFFFF
##663289	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08488C

Deuteranopia (green-blind)

#264B87

Tritanopia (blue-blind)

#614358

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #663289;
/* rgb */ color: rgb(102, 50, 137);
/* oklch */ color: oklch(42.7% 0.143 309.1);

Tailwind

colors: {
  custom: {
    50: '#956dac',
    500: '#663289',
    950: '#000000',
  },
}

SCSS

$custom: #663289;
$custom-light: #956dac;
$custom-dark: #000000;

JSON

{
  "hex": "#663289",
  "rgb": {
    "r": 102,
    "g": 50,
    "b": 137
  },
  "hsl": {
    "h": 275.862,
    "s": 46.524,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42739,
    "c": 0.1433,
    "h": 309.1
  },
  "luminance": 0.06912
}

Semantic roles & 50–950 ramp

primary

#663289

secondary

#84B166

accent

#D65287

background

#F9F6FA

surface

#F2ECF4

border

#CCC7CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #663289

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

Preview Lab → · Contrast checker → · Palette generator →