#668BDC#668BDC

#668BDC is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.5% C 0.129 H 264.5°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#668BDC
RGB	rgb(102, 139, 220)
HSL	hsl(221, 63%, 63%)
HSV	hsv(221, 54%, 86%)
CMYK	cmyk(53.6%, 36.8%, 0%, 13.7%)
CIE-LAB	lab(58.47, 10.23, -45.32)
CIE-LCH	lch(58.47, 46.46, 282.72°)
OKLab	oklab(64.53% -0.0124 -0.1282)
OKLCH	oklch(64.53% 0.129 264.5)
XYZ	xyz(27.6260, 26.4553, 71.3469)
Luminance	0.2646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BDC #DCB766

analogous

#66C6DC #668BDC #7C66DC

triadic

#668BDC #DC668B #8BDC66

tetradic

#668BDC #DC66C6 #DCB766 #66DC7C

square

#668BDC #DC66C6 #DCB766 #66DC7C

split-complementary

#668BDC #DC7C66 #C6DC66

monochromatic

#254CA2 #3465D1 #668BDC #98B1E7 #CAD7F3

Accessibility & contrast

On white

3.34

#668BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#668BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BDC

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BDC	#FFFFFF	#000000	##000000
##668BDC	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A92DF

Deuteranopia (green-blind)

#5C88DA

Tritanopia (blue-blind)

#269DA9

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668bdc;
/* rgb */ color: rgb(102, 139, 220);
/* oklch */ color: oklch(64.5% 0.129 264.5);

Tailwind

colors: {
  custom: {
    50: '#99ace7',
    500: '#668bdc',
    950: '#000000',
  },
}

SCSS

$custom: #668bdc;
$custom-light: #99ace7;
$custom-dark: #000000;

JSON

{
  "hex": "#668bdc",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 220
  },
  "hsl": {
    "h": 221.186,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64532,
    "c": 0.12879,
    "h": 264.5
  },
  "luminance": 0.26457
}

Semantic roles & 50–950 ramp

primary

#668BDC

secondary

#E4D7BA

accent

#931BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668BDC

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

Preview Lab → · Contrast checker → · Palette generator →