#6440DD#6440DD

#6440DD is a mid, highly saturated violet. Relative luminance 0.116; OKLCH L 51.1% C 0.224 H 286.0°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#6440DD
RGB	rgb(100, 64, 221)
HSL	hsl(254, 70%, 56%)
HSV	hsv(254, 71%, 87%)
CMYK	cmyk(54.8%, 71%, 0%, 13.3%)
CIE-LAB	lab(40.57, 54.25, -74.73)
CIE-LCH	lch(40.57, 92.35, 305.98°)
OKLab	oklab(51.15% 0.0615 -0.215)
OKLCH	oklch(51.15% 0.224 286)
XYZ	xyz(20.1361, 11.5955, 69.5697)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6440DD #B9DD40

analogous

#406ADD #6440DD #B240DD

triadic

#6440DD #DD6440 #40DD64

tetradic

#6440DD #DD406A #B9DD40 #40DDB2

square

#6440DD #DD406A #B9DD40 #40DDB2

split-complementary

#6440DD #DDB240 #6ADD40

monochromatic

#33198A #4622BE #6440DD #8E74E6 #B8A8EF

Accessibility & contrast

On white

6.33

#6440DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#6440DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6440DD

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6440DD	#FFFFFF	#000000	##FFFFFF
##6440DD	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E2

Deuteranopia (green-blind)

#005BDA

Tritanopia (blue-blind)

#2E6A8A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #6440dd;
/* rgb */ color: rgb(100, 64, 221);
/* oklch */ color: oklch(51.1% 0.224 286.0);

Tailwind

colors: {
  custom: {
    50: '#9c78e9',
    500: '#6440dd',
    950: '#000000',
  },
}

SCSS

$custom: #6440dd;
$custom-light: #9c78e9;
$custom-dark: #000000;

JSON

{
  "hex": "#6440dd",
  "rgb": {
    "r": 100,
    "g": 64,
    "b": 221
  },
  "hsl": {
    "h": 253.758,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51146,
    "c": 0.22361,
    "h": 286
  },
  "luminance": 0.11597
}

Semantic roles & 50–950 ramp

primary

#6440DD

secondary

#CEDD9C

accent

#ED3BC4

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #6440DD

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

Preview Lab → · Contrast checker → · Palette generator →