#663AC3#663AC3

#663AC3 is a mid, highly saturated violet. Relative luminance 0.098; OKLCH L 48.3% C 0.200 H 291.9°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#663AC3
RGB	rgb(102, 58, 195)
HSL	hsl(259, 54%, 50%)
HSV	hsv(259, 70%, 76%)
CMYK	cmyk(47.7%, 70.3%, 0%, 23.5%)
CIE-LAB	lab(37.46, 50.38, -64.77)
CIE-LCH	lch(37.46, 82.06, 307.88°)
OKLab	oklab(48.31% 0.0746 -0.1857)
OKLCH	oklch(48.31% 0.2 291.9)
XYZ	xyz(16.8401, 9.7904, 52.6216)
Luminance	0.0979 (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

#663AC3 #97C33A

analogous

#3A53C3 #663AC3 #AB3AC3

triadic

#663AC3 #C3663A #3AC366

tetradic

#663AC3 #C33A53 #97C33A #3AC3AB

square

#663AC3 #C33A53 #97C33A #3AC3AB

split-complementary

#663AC3 #C3AB3A #53C33A

monochromatic

#351E65 #4D2C94 #663AC3 #8A68D2 #AF97E0

Accessibility & contrast

On white

7.10

#663AC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#663AC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AC3

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AC3	#FFFFFF	#000000	##FFFFFF
##663AC3	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC7

Deuteranopia (green-blind)

#0055C0

Tritanopia (blue-blind)

#495D7A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663ac3;
/* rgb */ color: rgb(102, 58, 195);
/* oklch */ color: oklch(48.3% 0.200 291.9);

Tailwind

colors: {
  custom: {
    50: '#9a74d6',
    500: '#663ac3',
    950: '#000000',
  },
}

SCSS

$custom: #663ac3;
$custom-light: #9a74d6;
$custom-dark: #000000;

JSON

{
  "hex": "#663ac3",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 195
  },
  "hsl": {
    "h": 259.27,
    "s": 54.15,
    "l": 49.608
  },
  "oklch": {
    "l": 0.4831,
    "c": 0.2001,
    "h": 291.9
  },
  "luminance": 0.09791
}

Semantic roles & 50–950 ramp

primary

#663AC3

secondary

#B8CC8D

accent

#DE4AAE

background

#FAF7FD

surface

#F3EDFA

border

#CDC8D3

text

#0F0814

muted

#7F7B83

Preview Lab

Preview with #663AC3

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

Preview Lab → · Contrast checker → · Palette generator →