#663ACC#663ACC

#663ACC is a mid, highly saturated violet. Relative luminance 0.102; OKLCH L 49.1% C 0.210 H 290.2°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#663ACC
RGB	rgb(102, 58, 204)
HSL	hsl(258, 59%, 51%)
HSV	hsv(258, 72%, 80%)
CMYK	cmyk(50%, 71.6%, 0%, 20%)
CIE-LAB	lab(38.22, 52.85, -68.78)
CIE-LCH	lch(38.22, 86.74, 307.54°)
OKLab	oklab(49.08% 0.0728 -0.1975)
OKLCH	oklch(49.08% 0.21 290.2)
XYZ	xyz(17.8885, 10.2098, 58.1432)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663ACC #A0CC3A

analogous

#3A57CC #663ACC #AF3ACC

triadic

#663ACC #CC663A #3ACC66

tetradic

#663ACC #CC3A57 #A0CC3A #3ACCAF

square

#663ACC #CC3A57 #A0CC3A #3ACCAF

split-complementary

#663ACC #CCAF3A #57CC3A

monochromatic

#351D6F #4D29A0 #663ACC #8C6BD9 #B29BE5

Accessibility & contrast

On white

6.90

#663ACC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#663ACC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663ACC

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663ACC	#FFFFFF	#000000	##FFFFFF
##663ACC	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD0

Deuteranopia (green-blind)

#0057C9

Tritanopia (blue-blind)

#43607F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #663acc;
/* rgb */ color: rgb(102, 58, 204);
/* oklch */ color: oklch(49.1% 0.210 290.2);

Tailwind

colors: {
  custom: {
    50: '#9b74dd',
    500: '#663acc',
    950: '#000000',
  },
}

SCSS

$custom: #663acc;
$custom-light: #9b74dd;
$custom-dark: #000000;

JSON

{
  "hex": "#663acc",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 204
  },
  "hsl": {
    "h": 258.082,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49078,
    "c": 0.21044,
    "h": 290.2
  },
  "luminance": 0.10211
}

Semantic roles & 50–950 ramp

primary

#663ACC

secondary

#BED191

accent

#E246B3

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #663ACC

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

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