#663ADA#663ADA

#663ADA is a mid, highly saturated violet. Relative luminance 0.109; OKLCH L 50.3% C 0.226 H 287.9°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#663ADA
RGB	rgb(102, 58, 218)
HSL	hsl(257, 68%, 54%)
HSV	hsv(257, 73%, 85%)
CMYK	cmyk(53.2%, 73.4%, 0%, 14.5%)
CIE-LAB	lab(39.43, 56.69, -74.87)
CIE-LCH	lch(39.43, 93.91, 307.13°)
OKLab	oklab(50.31% 0.0696 -0.2153)
OKLCH	oklch(50.31% 0.226 287.9)
XYZ	xyz(19.6437, 10.9119, 67.3872)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663ADA #AEDA3A

analogous

#3A5EDA #663ADA #B63ADA

triadic

#663ADA #DA663A #3ADA66

tetradic

#663ADA #DA3A5E #AEDA3A #3ADAB6

square

#663ADA #DA3A5E #AEDA3A #3ADAB6

split-complementary

#663ADA #DAB63A #5EDA3A

monochromatic

#351881 #4A22B5 #663ADA #8E6EE4 #B6A1ED

Accessibility & contrast

On white

6.60

#663ADA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#663ADA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663ADA

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663ADA	#FFFFFF	#000000	##FFFFFF
##663ADA	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DF

Deuteranopia (green-blind)

#0059D7

Tritanopia (blue-blind)

#376687

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #663ada;
/* rgb */ color: rgb(102, 58, 218);
/* oklch */ color: oklch(50.3% 0.226 287.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#663ada",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 218
  },
  "hsl": {
    "h": 256.5,
    "s": 68.376,
    "l": 54.118
  },
  "oklch": {
    "l": 0.50309,
    "c": 0.22627,
    "h": 287.9
  },
  "luminance": 0.10913
}

Semantic roles & 50–950 ramp

primary

#663ADA

secondary

#C7DA96

accent

#EB3DBB

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #663ADA

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

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