#663ED8#663ED8

#663ED8 is a mid, highly saturated violet. Relative luminance 0.112; OKLCH L 50.6% C 0.220 H 287.7°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#663ED8
RGB	rgb(102, 62, 216)
HSL	hsl(256, 66%, 55%)
HSV	hsv(256, 71%, 85%)
CMYK	cmyk(52.8%, 71.3%, 0%, 15.3%)
CIE-LAB	lab(39.96, 54.16, -72.85)
CIE-LCH	lch(39.96, 90.78, 306.63°)
OKLab	oklab(50.63% 0.0669 -0.2094)
OKLCH	oklch(50.63% 0.22 287.7)
XYZ	xyz(19.5931, 11.2269, 66.0870)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663ED8 #B0D83E

analogous

#3E63D8 #663ED8 #B33ED8

triadic

#663ED8 #D8663E #3ED866

tetradic

#663ED8 #D83E63 #B0D83E #3ED8B3

square

#663ED8 #D83E63 #B0D83E #3ED8B3

split-complementary

#663ED8 #D8B33E #63D83E

monochromatic

#351A81 #4A24B4 #663ED8 #8E71E2 #B7A4ED

Accessibility & contrast

On white

6.47

#663ED8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#663ED8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663ED8

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663ED8	#FFFFFF	#000000	##FFFFFF
##663ED8	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062DD

Deuteranopia (green-blind)

#005AD5

Tritanopia (blue-blind)

#396787

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #663ed8;
/* rgb */ color: rgb(102, 62, 216);
/* oklch */ color: oklch(50.6% 0.220 287.7);

Tailwind

colors: {
  custom: {
    50: '#9c77e5',
    500: '#663ed8',
    950: '#000000',
  },
}

SCSS

$custom: #663ed8;
$custom-light: #9c77e5;
$custom-dark: #000000;

JSON

{
  "hex": "#663ed8",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 216
  },
  "hsl": {
    "h": 255.584,
    "s": 66.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.50629,
    "c": 0.21984,
    "h": 287.7
  },
  "luminance": 0.11228
}

Semantic roles & 50–950 ramp

primary

#663ED8

secondary

#C9D998

accent

#E93EBD

background

#FAF7FE

surface

#F4EDFC

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #663ED8

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

Preview Lab → · Contrast checker → · Palette generator →