#663AC4#663AC4

#663AC4 is a mid, highly saturated violet. Relative luminance 0.098; OKLCH L 48.4% C 0.201 H 291.7°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#663AC4
RGB	rgb(102, 58, 196)
HSL	hsl(259, 54%, 50%)
HSV	hsv(259, 70%, 77%)
CMYK	cmyk(48%, 70.4%, 0%, 23.1%)
CIE-LAB	lab(37.55, 50.65, -65.22)
CIE-LCH	lch(37.55, 82.58, 307.83°)
OKLab	oklab(48.4% 0.0744 -0.187)
OKLCH	oklch(48.4% 0.201 291.7)
XYZ	xyz(16.9535, 9.8358, 53.2191)
Luminance	0.0984 (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

#663AC4 #98C43A

analogous

#3A53C4 #663AC4 #AB3AC4

triadic

#663AC4 #C4663A #3AC466

tetradic

#663AC4 #C43A53 #98C43A #3AC4AB

square

#663AC4 #C43A53 #98C43A #3AC4AB

split-complementary

#663AC4 #C4AB3A #53C43A

monochromatic

#351E66 #4D2C95 #663AC4 #8A69D3 #AF98E0

Accessibility & contrast

On white

7.08

#663AC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#663AC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AC4

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AC4	#FFFFFF	#000000	##FFFFFF
##663AC4	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC8

Deuteranopia (green-blind)

#0055C1

Tritanopia (blue-blind)

#485D7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663ac4;
/* rgb */ color: rgb(102, 58, 196);
/* oklch */ color: oklch(48.4% 0.201 291.7);

Tailwind

colors: {
  custom: {
    50: '#9a74d7',
    500: '#663ac4',
    950: '#000000',
  },
}

SCSS

$custom: #663ac4;
$custom-light: #9a74d7;
$custom-dark: #000000;

JSON

{
  "hex": "#663ac4",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 196
  },
  "hsl": {
    "h": 259.13,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48395,
    "c": 0.20125,
    "h": 291.7
  },
  "luminance": 0.09836
}

Semantic roles & 50–950 ramp

primary

#663AC4

secondary

#B8CC8E

accent

#DE4AAF

background

#FAF7FD

surface

#F3EDFA

border

#CDC8D3

text

#0F0814

muted

#7F7B83

Preview Lab

Preview with #663AC4

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

Preview Lab → · Contrast checker → · Palette generator →