#668BDF#668BDF

#668BDF is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.7% C 0.133 H 264.9°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#668BDF
RGB	rgb(102, 139, 223)
HSL	hsl(222, 65%, 64%)
HSV	hsv(222, 54%, 87%)
CMYK	cmyk(54.3%, 37.7%, 0%, 12.5%)
CIE-LAB	lab(58.62, 11.17, -46.76)
CIE-LCH	lch(58.62, 48.08, 283.44°)
OKLab	oklab(64.7% -0.0117 -0.1324)
OKLCH	oklch(64.7% 0.133 264.9)
XYZ	xyz(28.0269, 26.6156, 73.4581)
Luminance	0.2662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BDF #DFBA66

analogous

#66C7DF #668BDF #7D66DF

triadic

#668BDF #DF668B #8BDF66

tetradic

#668BDF #DF66C7 #DFBA66 #66DF7D

square

#668BDF #DF66C7 #DFBA66 #66DF7D

split-complementary

#668BDF #DF7D66 #C7DF66

monochromatic

#234CA8 #3365D4 #668BDF #99B1EA #CBD8F4

Accessibility & contrast

On white

3.32

#668BDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#668BDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BDF

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BDF	#FFFFFF	#000000	##000000
##668BDF	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6993E2

Deuteranopia (green-blind)

#5A88DD

Tritanopia (blue-blind)

#219DAA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668bdf;
/* rgb */ color: rgb(102, 139, 223);
/* oklch */ color: oklch(64.7% 0.133 264.9);

Tailwind

colors: {
  custom: {
    50: '#99ace9',
    500: '#668bdf',
    950: '#000000',
  },
}

SCSS

$custom: #668bdf;
$custom-light: #99ace9;
$custom-dark: #000000;

JSON

{
  "hex": "#668bdf",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 223
  },
  "hsl": {
    "h": 221.653,
    "s": 65.405,
    "l": 63.725
  },
  "oklch": {
    "l": 0.64697,
    "c": 0.13291,
    "h": 264.9
  },
  "luminance": 0.26618
}

Semantic roles & 50–950 ramp

primary

#668BDF

secondary

#E6D9BB

accent

#9618CD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #668BDF

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

Preview Lab → · Contrast checker → · Palette generator →