#663ED5#663ED5

#663ED5 is a mid, highly saturated violet. Relative luminance 0.111; OKLCH L 50.4% C 0.216 H 288.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#663ED5
RGB	rgb(102, 62, 213)
HSL	hsl(256, 64%, 54%)
HSV	hsv(256, 71%, 84%)
CMYK	cmyk(52.1%, 70.9%, 0%, 16.5%)
CIE-LAB	lab(39.70, 53.32, -71.55)
CIE-LCH	lch(39.70, 89.23, 306.69°)
OKLab	oklab(50.37% 0.0675 -0.2056)
OKLCH	oklch(50.37% 0.216 288.2)
XYZ	xyz(19.2088, 11.0732, 64.0631)
Luminance	0.1107 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663ED5 #ADD53E

analogous

#3E62D5 #663ED5 #B23ED5

triadic

#663ED5 #D5663E #3ED566

tetradic

#663ED5 #D53E62 #ADD53E #3ED5B2

square

#663ED5 #D53E62 #ADD53E #3ED5B2

split-complementary

#663ED5 #D5B23E #62D53E

monochromatic

#351B7D #4B26B0 #663ED5 #8E70E0 #B6A3EB

Accessibility & contrast

On white

6.53

#663ED5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#663ED5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663ED5

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663ED5	#FFFFFF	#000000	##FFFFFF
##663ED5	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D9

Deuteranopia (green-blind)

#005AD2

Tritanopia (blue-blind)

#3B6685

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #663ed5;
/* rgb */ color: rgb(102, 62, 213);
/* oklch */ color: oklch(50.4% 0.216 288.2);

Tailwind

colors: {
  custom: {
    50: '#9c77e3',
    500: '#663ed5',
    950: '#000000',
  },
}

SCSS

$custom: #663ed5;
$custom-light: #9c77e3;
$custom-dark: #000000;

JSON

{
  "hex": "#663ed5",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 213
  },
  "hsl": {
    "h": 255.894,
    "s": 64.255,
    "l": 53.922
  },
  "oklch": {
    "l": 0.50368,
    "c": 0.21639,
    "h": 288.2
  },
  "luminance": 0.11074
}

Semantic roles & 50–950 ramp

primary

#663ED5

secondary

#C7D897

accent

#E741BB

background

#FAF7FE

surface

#F4EDFC

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #663ED5

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

Preview Lab → · Contrast checker → · Palette generator →