#663ABC#663ABC

#663ABC is a mid, vivid violet. Relative luminance 0.095; OKLCH L 47.7% C 0.192 H 293.3°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#663ABC
RGB	rgb(102, 58, 188)
HSL	hsl(260, 53%, 48%)
HSV	hsv(260, 69%, 74%)
CMYK	cmyk(45.7%, 69.1%, 0%, 26.3%)
CIE-LAB	lab(36.89, 48.47, -61.60)
CIE-LCH	lch(36.89, 78.38, 308.20°)
OKLab	oklab(47.73% 0.0758 -0.1764)
OKLCH	oklch(47.73% 0.192 293.3)
XYZ	xyz(16.0672, 9.4812, 48.5507)
Luminance	0.0948 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.51

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663ABC #90BC3A

analogous

#3A4FBC #663ABC #A73ABC

triadic

#663ABC #BC663A #3ABC66

tetradic

#663ABC #BC3A4F #90BC3A #3ABCA7

square

#663ABC #BC3A4F #90BC3A #3ABCA7

split-complementary

#663ABC #BCA73A #4FBC3A

monochromatic

#331D5E #4D2C8D #663ABC #8864CF #AC93DE

Accessibility & contrast

On white

7.25

#663ABC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#663ABC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663ABC

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663ABC	#FFFFFF	#000000	##FFFFFF
##663ABC	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#4D5A76

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #663abc;
/* rgb */ color: rgb(102, 58, 188);
/* oklch */ color: oklch(47.7% 0.192 293.3);

Tailwind

colors: {
  custom: {
    50: '#9973d1',
    500: '#663abc',
    950: '#000000',
  },
}

SCSS

$custom: #663abc;
$custom-light: #9973d1;
$custom-dark: #000000;

JSON

{
  "hex": "#663abc",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 188
  },
  "hsl": {
    "h": 260.308,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47728,
    "c": 0.19196,
    "h": 293.3
  },
  "luminance": 0.09482
}

Semantic roles & 50–950 ramp

primary

#663ABC

secondary

#B3C989

accent

#DC4CAB

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663ABC

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

Preview Lab → · Contrast checker → · Palette generator →