#6440CA#6440CA

#6440CA is a mid, highly saturated violet. Relative luminance 0.106; OKLCH L 49.5% C 0.201 H 288.8°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#6440CA
RGB	rgb(100, 64, 202)
HSL	hsl(256, 57%, 52%)
HSV	hsv(256, 68%, 79%)
CMYK	cmyk(50.5%, 68.3%, 0%, 20.8%)
CIE-LAB	lab(38.97, 48.85, -66.40)
CIE-LCH	lch(38.97, 82.44, 306.34°)
OKLab	oklab(49.51% 0.0649 -0.1906)
OKLCH	oklch(49.51% 0.201 288.8)
XYZ	xyz(17.7465, 10.6396, 56.9842)
Luminance	0.1064 (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

#6440CA #A6CA40

analogous

#4061CA #6440CA #A940CA

triadic

#6440CA #CA6440 #40CA64

tetradic

#6440CA #CA4061 #A6CA40 #40CAA9

square

#6440CA #CA4061 #A6CA40 #40CAA9

split-complementary

#6440CA #CAA940 #61CA40

monochromatic

#341F70 #4B2CA0 #6440CA #8B70D7 #B2A0E5

Accessibility & contrast

On white

6.71

#6440CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#6440CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6440CA

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6440CA	#FFFFFF	#000000	##FFFFFF
##6440CA	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FCE

Deuteranopia (green-blind)

#0058C7

Tritanopia (blue-blind)

#3F6380

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #6440ca;
/* rgb */ color: rgb(100, 64, 202);
/* oklch */ color: oklch(49.5% 0.201 288.8);

Tailwind

colors: {
  custom: {
    50: '#9977db',
    500: '#6440ca',
    950: '#000000',
  },
}

SCSS

$custom: #6440ca;
$custom-light: #9977db;
$custom-dark: #000000;

JSON

{
  "hex": "#6440ca",
  "rgb": {
    "r": 100,
    "g": 64,
    "b": 202
  },
  "hsl": {
    "h": 255.652,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49513,
    "c": 0.20133,
    "h": 288.8
  },
  "luminance": 0.1064
}

Semantic roles & 50–950 ramp

primary

#6440CA

secondary

#C1D195

accent

#E048B8

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #6440CA

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

Preview Lab → · Contrast checker → · Palette generator →