#6638AA#6638AA

#6638AA is a mid, vivid violet. Relative luminance 0.086; OKLCH L 46.0% C 0.173 H 297.7°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#6638AA
RGB	rgb(102, 56, 170)
HSL	hsl(264, 50%, 44%)
HSV	hsv(264, 67%, 67%)
CMYK	cmyk(40%, 67.1%, 0%, 33.3%)
CIE-LAB	lab(35.11, 44.67, -53.82)
CIE-LCH	lch(35.11, 69.94, 309.69°)
OKLab	oklab(46.01% 0.0806 -0.1535)
OKLCH	oklch(46.01% 0.173 297.7)
XYZ	xyz(14.1475, 8.5552, 38.9284)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6638AA #7CAA38

analogous

#3843AA #6638AA #9F38AA

triadic

#6638AA #AA6638 #38AA66

tetradic

#6638AA #AA3843 #7CAA38 #38AA9F

square

#6638AA #AA3843 #7CAA38 #38AA9F

split-complementary

#6638AA #AA9F38 #43AA38

monochromatic

#2F1A4E #4A297C #6638AA #8557C8 #A685D7

Accessibility & contrast

On white

7.75

#6638AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#6638AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6638AA

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6638AA	#FFFFFF	#000000	##FFFFFF
##6638AA	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AD

Deuteranopia (green-blind)

#0051A8

Tritanopia (blue-blind)

#55536C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #6638aa;
/* rgb */ color: rgb(102, 56, 170);
/* oklch */ color: oklch(46.0% 0.173 297.7);

Tailwind

colors: {
  custom: {
    50: '#9772c4',
    500: '#6638aa',
    950: '#000000',
  },
}

SCSS

$custom: #6638aa;
$custom-light: #9772c4;
$custom-dark: #000000;

JSON

{
  "hex": "#6638aa",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 170
  },
  "hsl": {
    "h": 264.211,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.46013,
    "c": 0.17336,
    "h": 297.7
  },
  "luminance": 0.08555
}

Semantic roles & 50–950 ramp

primary

#6638AA

secondary

#A5C17D

accent

#DA4EA1

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #6638AA

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

Preview Lab → · Contrast checker → · Palette generator →