#663ACD#663ACD

#663ACD is a mid, highly saturated violet. Relative luminance 0.103; OKLCH L 49.2% C 0.212 H 290.1°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#663ACD
RGB	rgb(102, 58, 205)
HSL	hsl(258, 60%, 52%)
HSV	hsv(258, 72%, 80%)
CMYK	cmyk(50.2%, 71.7%, 0%, 19.6%)
CIE-LAB	lab(38.30, 53.12, -69.22)
CIE-LCH	lch(38.30, 87.26, 307.50°)
OKLab	oklab(49.16% 0.0725 -0.1988)
OKLCH	oklch(49.16% 0.212 290.1)
XYZ	xyz(18.0088, 10.2579, 58.7768)
Luminance	0.1026 (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

#663ACD #A1CD3A

analogous

#3A58CD #663ACD #B03ACD

triadic

#663ACD #CD663A #3ACD66

tetradic

#663ACD #CD3A58 #A1CD3A #3ACDB0

square

#663ACD #CD3A58 #A1CD3A #3ACDB0

split-complementary

#663ACD #CDB03A #58CD3A

monochromatic

#361C70 #4D29A1 #663ACD #8C6BD9 #B29CE6

Accessibility & contrast

On white

6.88

#663ACD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#663ACD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663ACD

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663ACD	#FFFFFF	#000000	##FFFFFF
##663ACD	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD1

Deuteranopia (green-blind)

#0057CA

Tritanopia (blue-blind)

#426180

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #663acd;
/* rgb */ color: rgb(102, 58, 205);
/* oklch */ color: oklch(49.2% 0.212 290.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#663acd",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 205
  },
  "hsl": {
    "h": 257.959,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.49164,
    "c": 0.21158,
    "h": 290.1
  },
  "luminance": 0.10259
}

Semantic roles & 50–950 ramp

primary

#663ACD

secondary

#BED291

accent

#E345B4

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #663ACD

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

Preview Lab → · Contrast checker → · Palette generator →