#6638BA#6638BA

#6638BA is a mid, vivid violet. Relative luminance 0.092; OKLCH L 47.3% C 0.192 H 294.0°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#6638BA
RGB	rgb(102, 56, 186)
HSL	hsl(261, 54%, 47%)
HSV	hsv(261, 70%, 73%)
CMYK	cmyk(45.2%, 69.9%, 0%, 27.1%)
CIE-LAB	lab(36.36, 48.96, -61.29)
CIE-LCH	lch(36.36, 78.44, 308.62°)
OKLab	oklab(47.3% 0.0781 -0.1754)
OKLCH	oklch(47.3% 0.192 294)
XYZ	xyz(15.7542, 9.1978, 47.3902)
Luminance	0.0920 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 3.04

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6638BA #8CBA38

analogous

#384BBA #6638BA #A738BA

triadic

#6638BA #BA6638 #38BA66

tetradic

#6638BA #BA384B #8CBA38 #38BAA7

square

#6638BA #BA384B #8CBA38 #38BAA7

split-complementary

#6638BA #BAA738 #4BBA38

monochromatic

#321C5C #4C2A8B #6638BA #8760CF #AB8FDD

Accessibility & contrast

On white

7.40

#6638BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#6638BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6638BA

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6638BA	#FFFFFF	#000000	##FFFFFF
##6638BA	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BE

Deuteranopia (green-blind)

#0053B7

Tritanopia (blue-blind)

#4E5975

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #6638ba;
/* rgb */ color: rgb(102, 56, 186);
/* oklch */ color: oklch(47.3% 0.192 294.0);

Tailwind

colors: {
  custom: {
    50: '#9972d0',
    500: '#6638ba',
    950: '#000000',
  },
}

SCSS

$custom: #6638ba;
$custom-light: #9972d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6638ba",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 186
  },
  "hsl": {
    "h": 261.231,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47298,
    "c": 0.19205,
    "h": 294
  },
  "luminance": 0.09198
}

Semantic roles & 50–950 ramp

primary

#6638BA

secondary

#B1C886

accent

#DD4BA9

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0F0814

muted

#7E7B82

Preview Lab

Preview with #6638BA

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

Preview Lab → · Contrast checker → · Palette generator →