#663DBC#663DBC

#663DBC is a mid, vivid violet. Relative luminance 0.098; OKLCH L 48.1% C 0.188 H 292.8°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#663DBC
RGB	rgb(102, 61, 188)
HSL	hsl(259, 51%, 49%)
HSV	hsv(259, 68%, 74%)
CMYK	cmyk(45.7%, 67.6%, 0%, 26.3%)
CIE-LAB	lab(37.47, 46.89, -60.66)
CIE-LCH	lch(37.47, 76.67, 307.70°)
OKLab	oklab(48.14% 0.0728 -0.1736)
OKLCH	oklch(48.14% 0.188 292.8)
XYZ	xyz(16.2228, 9.7926, 48.6026)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.08

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DBC #93BC3D

analogous

#3D54BC #663DBC #A63DBC

triadic

#663DBC #BC663D #3DBC66

tetradic

#663DBC #BC3D54 #93BC3D #3DBCA6

square

#663DBC #BC3D54 #93BC3D #3DBCA6

split-complementary

#663DBC #BCA63D #54BC3D

monochromatic

#341F60 #4D2E8E #663DBC #8968CE #AD96DD

Accessibility & contrast

On white

7.10

#663DBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#663DBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663DBC

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DBC	#FFFFFF	#000000	##FFFFFF
##663DBC	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC0

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#4D5C77

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663dbc;
/* rgb */ color: rgb(102, 61, 188);
/* oklch */ color: oklch(48.1% 0.188 292.8);

Tailwind

colors: {
  custom: {
    50: '#9975d1',
    500: '#663dbc',
    950: '#000000',
  },
}

SCSS

$custom: #663dbc;
$custom-light: #9975d1;
$custom-dark: #000000;

JSON

{
  "hex": "#663dbc",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 188
  },
  "hsl": {
    "h": 259.37,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48138,
    "c": 0.18828,
    "h": 292.8
  },
  "luminance": 0.09793
}

Semantic roles & 50–950 ramp

primary

#663DBC

secondary

#B5C98C

accent

#DA4DAD

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663DBC

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

Preview Lab → · Contrast checker → · Palette generator →