#6640C8#6640C8

#6640C8 is a mid, vivid violet. Relative luminance 0.107; OKLCH L 49.5% C 0.199 H 290.0°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#6640C8
RGB	rgb(102, 64, 200)
HSL	hsl(257, 55%, 52%)
HSV	hsv(257, 68%, 78%)
CMYK	cmyk(49%, 68%, 0%, 21.6%)
CIE-LAB	lab(39.00, 48.63, -65.17)
CIE-LCH	lch(39.00, 81.32, 306.73°)
OKLab	oklab(49.54% 0.0681 -0.1869)
OKLCH	oklch(49.54% 0.199 290)
XYZ	xyz(17.7352, 10.6610, 55.7557)
Luminance	0.1066 (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

#6640C8 #A2C840

analogous

#405EC8 #6640C8 #AA40C8

triadic

#6640C8 #C86640 #40C866

tetradic

#6640C8 #C8405E #A2C840 #40C8AA

square

#6640C8 #C8405E #A2C840 #40C8AA

split-complementary

#6640C8 #C8AA40 #5EC840

monochromatic

#36206E #4D2D9D #6640C8 #8C70D6 #B29FE3

Accessibility & contrast

On white

6.70

#6640C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#6640C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6640C8

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6640C8	#FFFFFF	#000000	##FFFFFF
##6640C8	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ECC

Deuteranopia (green-blind)

#0059C5

Tritanopia (blue-blind)

#45627F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #6640c8;
/* rgb */ color: rgb(102, 64, 200);
/* oklch */ color: oklch(49.5% 0.199 290.0);

Tailwind

colors: {
  custom: {
    50: '#9a78da',
    500: '#6640c8',
    950: '#000000',
  },
}

SCSS

$custom: #6640c8;
$custom-light: #9a78da;
$custom-dark: #000000;

JSON

{
  "hex": "#6640c8",
  "rgb": {
    "r": 102,
    "g": 64,
    "b": 200
  },
  "hsl": {
    "h": 256.765,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49536,
    "c": 0.19889,
    "h": 290
  },
  "luminance": 0.10662
}

Semantic roles & 50–950 ramp

primary

#6640C8

secondary

#BFD094

accent

#DF49B5

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #6640C8

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

Preview Lab → · Contrast checker → · Palette generator →