#663EDB#663EDB

#663EDB is a mid, highly saturated violet. Relative luminance 0.114; OKLCH L 50.9% C 0.223 H 287.3°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#663EDB
RGB	rgb(102, 62, 219)
HSL	hsl(255, 69%, 55%)
HSV	hsv(255, 72%, 86%)
CMYK	cmyk(53.4%, 71.7%, 0%, 14.1%)
CIE-LAB	lab(40.22, 54.99, -74.15)
CIE-LCH	lch(40.22, 92.32, 306.56°)
OKLab	oklab(50.89% 0.0663 -0.2132)
OKLCH	oklch(50.89% 0.223 287.3)
XYZ	xyz(19.9845, 11.3835, 68.1483)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663EDB #B3DB3E

analogous

#3E64DB #663EDB #B53EDB

triadic

#663EDB #DB663E #3EDB66

tetradic

#663EDB #DB3E64 #B3DB3E #3EDBB5

square

#663EDB #DB3E64 #B3DB3E #3EDBB5

split-complementary

#663EDB #DBB53E #64DB3E

monochromatic

#351986 #4923B9 #663EDB #8F72E5 #B8A5EE

Accessibility & contrast

On white

6.41

#663EDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#663EDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663EDB

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EDB	#FFFFFF	#000000	##FFFFFF
##663EDB	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E0

Deuteranopia (green-blind)

#005AD8

Tritanopia (blue-blind)

#366889

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #663edb;
/* rgb */ color: rgb(102, 62, 219);
/* oklch */ color: oklch(50.9% 0.223 287.3);

Tailwind

colors: {
  custom: {
    50: '#9d77e7',
    500: '#663edb',
    950: '#000000',
  },
}

SCSS

$custom: #663edb;
$custom-light: #9d77e7;
$custom-dark: #000000;

JSON

{
  "hex": "#663edb",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 219
  },
  "hsl": {
    "h": 255.287,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.50892,
    "c": 0.22328,
    "h": 287.3
  },
  "luminance": 0.11385
}

Semantic roles & 50–950 ramp

primary

#663EDB

secondary

#CBDB99

accent

#EB3CBF

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #663EDB

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

Preview Lab → · Contrast checker → · Palette generator →