#6466DD#6466DD

#6466DD is a mid, vivid blue. Relative luminance 0.174; OKLCH L 57.2% C 0.177 H 278.5°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#6466DD
RGB	rgb(100, 102, 221)
HSL	hsl(239, 64%, 63%)
HSV	hsv(239, 55%, 87%)
CMYK	cmyk(54.8%, 53.8%, 0%, 13.3%)
CIE-LAB	lab(48.80, 32.52, -61.34)
CIE-LCH	lch(48.80, 69.42, 297.93°)
OKLab	oklab(57.15% 0.0261 -0.1755)
OKLCH	oklch(57.15% 0.177 278.5)
XYZ	xyz(23.0539, 17.4310, 70.5423)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6466DD #DDDB64

analogous

#64A3DD #6466DD #9E64DD

triadic

#6466DD #DD6466 #66DD64

tetradic

#6466DD #DD64A3 #DDDB64 #64DD9E

square

#6466DD #DD64A3 #DDDB64 #64DD9E

split-complementary

#6466DD #DD9E64 #A3DD64

monochromatic

#2426A3 #3234D2 #6466DD #9698E8 #C8C9F3

Accessibility & contrast

On white

4.68

#6466DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#6466DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6466DD

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6466DD	#FFFFFF	#000000	##FFFFFF
##6466DD	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B79E1

Deuteranopia (green-blind)

#006FDB

Tritanopia (blue-blind)

#278198

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #6466dd;
/* rgb */ color: rgb(100, 102, 221);
/* oklch */ color: oklch(57.2% 0.177 278.5);

Tailwind

colors: {
  custom: {
    50: '#9991e8',
    500: '#6466dd',
    950: '#000000',
  },
}

SCSS

$custom: #6466dd;
$custom-light: #9991e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6466dd",
  "rgb": {
    "r": 100,
    "g": 102,
    "b": 221
  },
  "hsl": {
    "h": 239.008,
    "s": 64.021,
    "l": 62.941
  },
  "oklch": {
    "l": 0.57154,
    "c": 0.17747,
    "h": 278.5
  },
  "luminance": 0.17433
}

Semantic roles & 50–950 ramp

primary

#6466DD

secondary

#E4E3B9

accent

#C91ACC

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0D16

muted

#7F7D84

Preview Lab

Preview with #6466DD

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

Preview Lab → · Contrast checker → · Palette generator →