#663DC8#663DC8

#663DC8 is a mid, highly saturated violet. Relative luminance 0.103; OKLCH L 49.1% C 0.202 H 290.5°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#663DC8
RGB	rgb(102, 61, 200)
HSL	hsl(258, 56%, 51%)
HSV	hsv(258, 70%, 78%)
CMYK	cmyk(49%, 69.5%, 0%, 21.6%)
CIE-LAB	lab(38.43, 50.21, -66.11)
CIE-LCH	lch(38.43, 83.02, 307.22°)
OKLab	oklab(49.13% 0.0709 -0.1896)
OKLCH	oklch(49.13% 0.202 290.5)
XYZ	xyz(17.5706, 10.3317, 55.7008)
Luminance	0.1033 (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

#663DC8 #9FC83D

analogous

#3D59C8 #663DC8 #AB3DC8

triadic

#663DC8 #C8663D #3DC866

tetradic

#663DC8 #C83D59 #9FC83D #3DC8AB

square

#663DC8 #C83D59 #9FC83D #3DC8AB

split-complementary

#663DC8 #C8AB3D #59C83D

monochromatic

#351F6C #4D2C9C #663DC8 #8C6DD6 #B19CE3

Accessibility & contrast

On white

6.85

#663DC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#663DC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663DC8

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DC8	#FFFFFF	#000000	##FFFFFF
##663DC8	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCC

Deuteranopia (green-blind)

#0057C5

Tritanopia (blue-blind)

#45617E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #663dc8;
/* rgb */ color: rgb(102, 61, 200);
/* oklch */ color: oklch(49.1% 0.202 290.5);

Tailwind

colors: {
  custom: {
    50: '#9a76da',
    500: '#663dc8',
    950: '#000000',
  },
}

SCSS

$custom: #663dc8;
$custom-light: #9a76da;
$custom-dark: #000000;

JSON

{
  "hex": "#663dc8",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 200
  },
  "hsl": {
    "h": 257.698,
    "s": 55.823,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49127,
    "c": 0.20243,
    "h": 290.5
  },
  "luminance": 0.10332
}

Semantic roles & 50–950 ramp

primary

#663DC8

secondary

#BDCF92

accent

#DF49B3

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663DC8

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

Preview Lab → · Contrast checker → · Palette generator →