#663BDA#663BDA

#663BDA is a mid, highly saturated violet. Relative luminance 0.110; OKLCH L 50.4% C 0.225 H 287.8°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#663BDA
RGB	rgb(102, 59, 218)
HSL	hsl(256, 68%, 54%)
HSV	hsv(256, 73%, 85%)
CMYK	cmyk(53.2%, 72.9%, 0%, 14.5%)
CIE-LAB	lab(39.60, 56.20, -74.59)
CIE-LCH	lch(39.60, 93.39, 307.00°)
OKLab	oklab(50.43% 0.0688 -0.2145)
OKLCH	oklch(50.43% 0.225 287.8)
XYZ	xyz(19.6946, 11.0137, 67.4042)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663BDA #AFDA3B

analogous

#3B60DA #663BDA #B53BDA

triadic

#663BDA #DA663B #3BDA66

tetradic

#663BDA #DA3B60 #AFDA3B #3BDAB5

square

#663BDA #DA3B60 #AFDA3B #3BDAB5

split-complementary

#663BDA #DAB53B #60DA3B

monochromatic

#351982 #4A22B6 #663BDA #8E6EE4 #B6A2ED

Accessibility & contrast

On white

6.56

#663BDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#663BDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663BDA

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663BDA	#FFFFFF	#000000	##FFFFFF
##663BDA	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DF

Deuteranopia (green-blind)

#0059D7

Tritanopia (blue-blind)

#376687

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #663bda;
/* rgb */ color: rgb(102, 59, 218);
/* oklch */ color: oklch(50.4% 0.225 287.8);

Tailwind

colors: {
  custom: {
    50: '#9d75e7',
    500: '#663bda',
    950: '#000000',
  },
}

SCSS

$custom: #663bda;
$custom-light: #9d75e7;
$custom-dark: #000000;

JSON

{
  "hex": "#663bda",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 218
  },
  "hsl": {
    "h": 256.226,
    "s": 68.24,
    "l": 54.314
  },
  "oklch": {
    "l": 0.5043,
    "c": 0.22526,
    "h": 287.8
  },
  "luminance": 0.11015
}

Semantic roles & 50–950 ramp

primary

#663BDA

secondary

#C8DA97

accent

#EB3DBC

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #663BDA

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

Preview Lab → · Contrast checker → · Palette generator →