#668DDE#668DDE

#668DDE is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.1% C 0.129 H 263.7°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#668DDE
RGB	rgb(102, 141, 222)
HSL	hsl(221, 65%, 64%)
HSV	hsv(221, 54%, 87%)
CMYK	cmyk(54.1%, 36.5%, 0%, 12.9%)
CIE-LAB	lab(59.11, 9.67, -45.42)
CIE-LCH	lch(59.11, 46.44, 282.02°)
OKLab	oklab(65.06% -0.0142 -0.1285)
OKLCH	oklch(65.06% 0.129 263.7)
XYZ	xyz(28.1847, 27.1463, 72.8476)
Luminance	0.2715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DDE #DEB766

analogous

#66C9DE #668DDE #7B66DE

triadic

#668DDE #DE668D #8DDE66

tetradic

#668DDE #DE66C9 #DEB766 #66DE7B

square

#668DDE #DE66C9 #DEB766 #66DE7B

split-complementary

#668DDE #DE7B66 #C9DE66

monochromatic

#244EA6 #3467D3 #668DDE #98B3E9 #CBD8F4

Accessibility & contrast

On white

3.27

#668DDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#668DDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DDE

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DDE	#FFFFFF	#000000	##000000
##668DDE	1.00	3.27	6.43	6.43
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C94E1

Deuteranopia (green-blind)

#5E89DC

Tritanopia (blue-blind)

#229FAB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668dde;
/* rgb */ color: rgb(102, 141, 222);
/* oklch */ color: oklch(65.1% 0.129 263.7);

Tailwind

colors: {
  custom: {
    50: '#99aee8',
    500: '#668dde',
    950: '#000000',
  },
}

SCSS

$custom: #668dde;
$custom-light: #99aee8;
$custom-dark: #000000;

JSON

{
  "hex": "#668dde",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 222
  },
  "hsl": {
    "h": 220.5,
    "s": 64.516,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65062,
    "c": 0.12925,
    "h": 263.7
  },
  "luminance": 0.27148
}

Semantic roles & 50–950 ramp

primary

#668DDE

secondary

#E5D7BB

accent

#9219CC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668DDE

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

Preview Lab → · Contrast checker → · Palette generator →