#668CE8#668CE8

#668CE8 is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.4% C 0.144 H 265.7°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#668CE8
RGB	rgb(102, 140, 232)
HSL	hsl(222, 74%, 65%)
HSV	hsv(222, 56%, 91%)
CMYK	cmyk(56%, 39.7%, 0%, 9%)
CIE-LAB	lab(59.35, 13.44, -50.61)
CIE-LCH	lch(59.35, 52.37, 284.88°)
OKLab	oklab(65.41% -0.0109 -0.1436)
OKLCH	oklch(65.41% 0.144 265.7)
XYZ	xyz(29.4181, 27.4048, 80.0677)
Luminance	0.2741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CE8 #E8C266

analogous

#66CDE8 #668CE8 #8166E8

triadic

#668CE8 #E8668C #8CE866

tetradic

#668CE8 #E866CD #E8C266 #66E881

square

#668CE8 #E866CD #E8C266 #66E881

split-complementary

#668CE8 #E88166 #CDE866

monochromatic

#1C49B8 #3164E0 #668CE8 #9BB4F0 #D0DCF8

Accessibility & contrast

On white

3.24

#668CE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#668CE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CE8

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CE8	#FFFFFF	#000000	##000000
##668CE8	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6595EC

Deuteranopia (green-blind)

#5589E6

Tritanopia (blue-blind)

#08A0AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668ce8;
/* rgb */ color: rgb(102, 140, 232);
/* oklch */ color: oklch(65.4% 0.144 265.7);

Tailwind

colors: {
  custom: {
    50: '#9badf0',
    500: '#668ce8',
    950: '#000000',
  },
}

SCSS

$custom: #668ce8;
$custom-light: #9badf0;
$custom-dark: #000000;

JSON

{
  "hex": "#668ce8",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 232
  },
  "hsl": {
    "h": 222.462,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.65411,
    "c": 0.14405,
    "h": 265.7
  },
  "luminance": 0.27407
}

Semantic roles & 50–950 ramp

primary

#668CE8

secondary

#EBDEBF

accent

#9C10D6

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #668CE8

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

Preview Lab → · Contrast checker → · Palette generator →