#6440CF#6440CF

#6440CF is a mid, highly saturated violet. Relative luminance 0.109; OKLCH L 49.9% C 0.207 H 288.0°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#6440CF
RGB	rgb(100, 64, 207)
HSL	hsl(255, 60%, 53%)
HSV	hsv(255, 69%, 81%)
CMYK	cmyk(51.7%, 69.1%, 0%, 18.8%)
CIE-LAB	lab(39.38, 50.27, -68.63)
CIE-LCH	lch(39.38, 85.07, 306.22°)
OKLab	oklab(49.94% 0.0641 -0.1971)
OKLCH	oklch(49.94% 0.207 288)
XYZ	xyz(18.3481, 10.8802, 60.1527)
Luminance	0.1088 (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

#6440CF #ABCF40

analogous

#4063CF #6440CF #AC40CF

triadic

#6440CF #CF6440 #40CF64

tetradic

#6440CF #CF4063 #ABCF40 #40CFAC

square

#6440CF #CF4063 #ABCF40 #40CFAC

split-complementary

#6440CF #CFAC40 #63CF40

monochromatic

#341E77 #4A2AA8 #6440CF #8C71DB #B3A2E8

Accessibility & contrast

On white

6.61

#6440CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#6440CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6440CF

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6440CF	#FFFFFF	#000000	##FFFFFF
##6440CF	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D3

Deuteranopia (green-blind)

#0059CC

Tritanopia (blue-blind)

#3C6583

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #6440cf;
/* rgb */ color: rgb(100, 64, 207);
/* oklch */ color: oklch(49.9% 0.207 288.0);

Tailwind

colors: {
  custom: {
    50: '#9a78df',
    500: '#6440cf',
    950: '#000000',
  },
}

SCSS

$custom: #6440cf;
$custom-light: #9a78df;
$custom-dark: #000000;

JSON

{
  "hex": "#6440cf",
  "rgb": {
    "r": 100,
    "g": 64,
    "b": 207
  },
  "hsl": {
    "h": 255.105,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.49935,
    "c": 0.20726,
    "h": 288
  },
  "luminance": 0.10881
}

Semantic roles & 50–950 ramp

primary

#6440CF

secondary

#C5D497

accent

#E345BB

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #6440CF

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

Preview Lab → · Contrast checker → · Palette generator →