#663FE8#663FE8

#663FE8 is a mid, highly saturated violet. Relative luminance 0.122; OKLCH L 52.2% C 0.237 H 285.3°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#663FE8
RGB	rgb(102, 63, 232)
HSL	hsl(254, 79%, 58%)
HSV	hsv(254, 73%, 91%)
CMYK	cmyk(56%, 72.8%, 0%, 9%)
CIE-LAB	lab(41.54, 58.13, -79.39)
CIE-LCH	lch(41.54, 98.40, 306.21°)
OKLab	oklab(52.18% 0.0626 -0.2286)
OKLCH	oklch(52.18% 0.237 285.3)
XYZ	xyz(21.8181, 12.2047, 77.5344)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663FE8 #C1E83F

analogous

#3F6CE8 #663FE8 #BA3FE8

triadic

#663FE8 #E8663F #3FE866

tetradic

#663FE8 #E83F6C #C1E83F #3FE8BA

square

#663FE8 #E83F6C #C1E83F #3FE8BA

split-complementary

#663FE8 #E8BA3F #6CE83F

monochromatic

#32129A #4319D1 #663FE8 #9276EF #BDACF5

Accessibility & contrast

On white

6.10

#663FE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#663FE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663FE8

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663FE8	#FFFFFF	#000000	##FFFFFF
##663FE8	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067ED

Deuteranopia (green-blind)

#005DE5

Tritanopia (blue-blind)

#256E90

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #663fe8;
/* rgb */ color: rgb(102, 63, 232);
/* oklch */ color: oklch(52.2% 0.237 285.3);

Tailwind

colors: {
  custom: {
    50: '#9f78f1',
    500: '#663fe8',
    950: '#000000',
  },
}

SCSS

$custom: #663fe8;
$custom-light: #9f78f1;
$custom-dark: #000000;

JSON

{
  "hex": "#663fe8",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 232
  },
  "hsl": {
    "h": 253.846,
    "s": 78.605,
    "l": 57.843
  },
  "oklch": {
    "l": 0.52175,
    "c": 0.23699,
    "h": 285.3
  },
  "luminance": 0.12206
}

Semantic roles & 50–950 ramp

primary

#663FE8

secondary

#D4E3A0

accent

#F533C8

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100917

muted

#7F7B85

Preview Lab

Preview with #663FE8

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

Preview Lab → · Contrast checker → · Palette generator →