#6440CC#6440CC

#6440CC is a mid, highly saturated violet. Relative luminance 0.107; OKLCH L 49.7% C 0.204 H 288.5°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#6440CC
RGB	rgb(100, 64, 204)
HSL	hsl(255, 58%, 53%)
HSV	hsv(255, 69%, 80%)
CMYK	cmyk(51%, 68.6%, 0%, 20%)
CIE-LAB	lab(39.13, 49.42, -67.30)
CIE-LCH	lch(39.13, 83.49, 306.29°)
OKLab	oklab(49.68% 0.0646 -0.1932)
OKLCH	oklch(49.68% 0.204 288.5)
XYZ	xyz(17.9848, 10.7349, 58.2394)
Luminance	0.1074 (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

#6440CC #A8CC40

analogous

#4062CC #6440CC #AA40CC

triadic

#6440CC #CC6440 #40CC64

tetradic

#6440CC #CC4062 #A8CC40 #40CCAA

square

#6440CC #CC4062 #A8CC40 #40CCAA

split-complementary

#6440CC #CCAA40 #62CC40

monochromatic

#341F73 #4A2CA3 #6440CC #8B70D9 #B2A1E6

Accessibility & contrast

On white

6.67

#6440CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#6440CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6440CC

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6440CC	#FFFFFF	#000000	##FFFFFF
##6440CC	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD0

Deuteranopia (green-blind)

#0059C9

Tritanopia (blue-blind)

#3E6481

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #6440cc;
/* rgb */ color: rgb(100, 64, 204);
/* oklch */ color: oklch(49.7% 0.204 288.5);

Tailwind

colors: {
  custom: {
    50: '#9978dd',
    500: '#6440cc',
    950: '#000000',
  },
}

SCSS

$custom: #6440cc;
$custom-light: #9978dd;
$custom-dark: #000000;

JSON

{
  "hex": "#6440cc",
  "rgb": {
    "r": 100,
    "g": 64,
    "b": 204
  },
  "hsl": {
    "h": 255.429,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49681,
    "c": 0.20371,
    "h": 288.5
  },
  "luminance": 0.10736
}

Semantic roles & 50–950 ramp

primary

#6440CC

secondary

#C3D295

accent

#E147B9

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #6440CC

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

Preview Lab → · Contrast checker → · Palette generator →