#663FF2#663FF2

#663FF2 is a mid, highly saturated violet. Relative luminance 0.128; OKLCH L 53.1% C 0.248 H 284.1°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#663FF2
RGB	rgb(102, 63, 242)
HSL	hsl(253, 87%, 60%)
HSV	hsv(253, 74%, 95%)
CMYK	cmyk(57.9%, 74%, 0%, 5.1%)
CIE-LAB	lab(42.44, 60.92, -83.55)
CIE-LCH	lch(42.44, 103.41, 306.10°)
OKLab	oklab(53.09% 0.0603 -0.2407)
OKLCH	oklch(53.09% 0.248 284.1)
XYZ	xyz(23.2791, 12.7891, 85.2290)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663FF2 #CBF23F

analogous

#3F71F2 #663FF2 #C03FF2

triadic

#663FF2 #F2663F #3FF266

tetradic

#663FF2 #F23F71 #CBF23F #3FF2C0

square

#663FF2 #F23F71 #CBF23F #3FF2C0

split-complementary

#663FF2 #F2C03F #71F23F

monochromatic

#2E0CAB #3E0FE4 #663FF2 #9478F6 #C1B2FA

Accessibility & contrast

On white

5.90

#663FF2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#663FF2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663FF2

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663FF2	#FFFFFF	#000000	##FFFFFF
##663FF2	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069F7

Deuteranopia (green-blind)

#005EEF

Tritanopia (blue-blind)

#0E7296

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #663ff2;
/* rgb */ color: rgb(102, 63, 242);
/* oklch */ color: oklch(53.1% 0.248 284.1);

Tailwind

colors: {
  custom: {
    50: '#a079f8',
    500: '#663ff2',
    950: '#000000',
  },
}

SCSS

$custom: #663ff2;
$custom-light: #a079f8;
$custom-dark: #000000;

JSON

{
  "hex": "#663ff2",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 242
  },
  "hsl": {
    "h": 253.073,
    "s": 87.317,
    "l": 59.804
  },
  "oklch": {
    "l": 0.53086,
    "c": 0.24818,
    "h": 284.1
  },
  "luminance": 0.12791
}

Semantic roles & 50–950 ramp

primary

#663FF2

secondary

#DAE9A4

accent

#FD2ACF

background

#FAF7FF

surface

#F4EEFF

border

#CEC9D7

text

#100917

muted

#7F7B85

Preview Lab

Preview with #663FF2

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

Preview Lab → · Contrast checker → · Palette generator →