#663DC9#663DC9

#663DC9 is a mid, highly saturated violet. Relative luminance 0.104; OKLCH L 49.2% C 0.204 H 290.3°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#663DC9
RGB	rgb(102, 61, 201)
HSL	hsl(258, 56%, 51%)
HSV	hsv(258, 70%, 79%)
CMYK	cmyk(49.3%, 69.7%, 0%, 21.2%)
CIE-LAB	lab(38.51, 50.49, -66.55)
CIE-LCH	lch(38.51, 83.54, 307.18°)
OKLab	oklab(49.21% 0.0707 -0.1909)
OKLCH	oklch(49.21% 0.204 290.3)
XYZ	xyz(17.6878, 10.3786, 56.3183)
Luminance	0.1038 (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

#663DC9 #A0C93D

analogous

#3D5AC9 #663DC9 #AC3DC9

triadic

#663DC9 #C9663D #3DC966

tetradic

#663DC9 #C93D5A #A0C93D #3DC9AC

square

#663DC9 #C93D5A #A0C93D #3DC9AC

split-complementary

#663DC9 #C9AC3D #5AC93D

monochromatic

#351E6D #4D2C9D #663DC9 #8C6DD6 #B29DE4

Accessibility & contrast

On white

6.83

#663DC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#663DC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663DC9

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DC9	#FFFFFF	#000000	##FFFFFF
##663DC9	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCD

Deuteranopia (green-blind)

#0057C6

Tritanopia (blue-blind)

#45617E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #663dc9;
/* rgb */ color: rgb(102, 61, 201);
/* oklch */ color: oklch(49.2% 0.204 290.3);

Tailwind

colors: {
  custom: {
    50: '#9a76da',
    500: '#663dc9',
    950: '#000000',
  },
}

SCSS

$custom: #663dc9;
$custom-light: #9a76da;
$custom-dark: #000000;

JSON

{
  "hex": "#663dc9",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 201
  },
  "hsl": {
    "h": 257.571,
    "s": 56.452,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49211,
    "c": 0.2036,
    "h": 290.3
  },
  "luminance": 0.10379
}

Semantic roles & 50–950 ramp

primary

#663DC9

secondary

#BED092

accent

#E048B3

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663DC9

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

Preview Lab → · Contrast checker → · Palette generator →