#6640CE#6640CE

#6640CE is a mid, highly saturated violet. Relative luminance 0.109; OKLCH L 50.0% C 0.206 H 289.0°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#6640CE
RGB	rgb(102, 64, 206)
HSL	hsl(256, 59%, 53%)
HSV	hsv(256, 69%, 81%)
CMYK	cmyk(50.5%, 68.9%, 0%, 19.2%)
CIE-LAB	lab(39.49, 50.32, -67.86)
CIE-LCH	lch(39.49, 84.48, 306.56°)
OKLab	oklab(50.04% 0.0671 -0.1948)
OKLCH	oklch(50.04% 0.206 289)
XYZ	xyz(18.4502, 10.9470, 59.5214)
Luminance	0.1095 (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

#6640CE #A8CE40

analogous

#4061CE #6640CE #AD40CE

triadic

#6640CE #CE6640 #40CE66

tetradic

#6640CE #CE4061 #A8CE40 #40CEAD

square

#6640CE #CE4061 #A8CE40 #40CEAD

split-complementary

#6640CE #CEAD40 #61CE40

monochromatic

#361E75 #4C2BA6 #6640CE #8D71DA #B4A1E7

Accessibility & contrast

On white

6.58

#6640CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#6640CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6640CE

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6640CE	#FFFFFF	#000000	##FFFFFF
##6640CE	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D2

Deuteranopia (green-blind)

#0059CB

Tritanopia (blue-blind)

#416482

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #6640ce;
/* rgb */ color: rgb(102, 64, 206);
/* oklch */ color: oklch(50.0% 0.206 289.0);

Tailwind

colors: {
  custom: {
    50: '#9b78de',
    500: '#6640ce',
    950: '#000000',
  },
}

SCSS

$custom: #6640ce;
$custom-light: #9b78de;
$custom-dark: #000000;

JSON

{
  "hex": "#6640ce",
  "rgb": {
    "r": 102,
    "g": 64,
    "b": 206
  },
  "hsl": {
    "h": 256.056,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50036,
    "c": 0.20599,
    "h": 289
  },
  "luminance": 0.10948
}

Semantic roles & 50–950 ramp

primary

#6640CE

secondary

#C3D496

accent

#E245B8

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #6640CE

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

Preview Lab → · Contrast checker → · Palette generator →