#668FE7#668FE7

#668FE7 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.0% C 0.139 H 264.1°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#668FE7
RGB	rgb(102, 143, 231)
HSL	hsl(221, 73%, 65%)
HSV	hsv(221, 56%, 91%)
CMYK	cmyk(55.8%, 38.1%, 0%, 9.4%)
CIE-LAB	lab(60.10, 11.35, -48.86)
CIE-LCH	lch(60.10, 50.16, 283.07°)
OKLab	oklab(65.98% -0.0144 -0.1385)
OKLCH	oklch(65.98% 0.139 264.1)
XYZ	xyz(29.7209, 28.2369, 79.4699)
Luminance	0.2824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FE7 #E7BE66

analogous

#66D0E7 #668FE7 #7D66E7

triadic

#668FE7 #E7668F #8FE766

tetradic

#668FE7 #E766D0 #E7BE66 #66E77D

square

#668FE7 #E766D0 #E7BE66 #66E77D

split-complementary

#668FE7 #E77D66 #D0E766

monochromatic

#1D4DB6 #3168DF #668FE7 #9BB6EF #D0DCF8

Accessibility & contrast

On white

3.16

#668FE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#668FE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FE7

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FE7	#FFFFFF	#000000	##000000
##668FE7	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B97EB

Deuteranopia (green-blind)

#5A8BE5

Tritanopia (blue-blind)

#09A2B0

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668fe7;
/* rgb */ color: rgb(102, 143, 231);
/* oklch */ color: oklch(66.0% 0.139 264.1);

Tailwind

colors: {
  custom: {
    50: '#9aafef',
    500: '#668fe7',
    950: '#000000',
  },
}

SCSS

$custom: #668fe7;
$custom-light: #9aafef;
$custom-dark: #000000;

JSON

{
  "hex": "#668fe7",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 231
  },
  "hsl": {
    "h": 220.93,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.65978,
    "c": 0.13923,
    "h": 264.1
  },
  "luminance": 0.28239
}

Semantic roles & 50–950 ramp

primary

#668FE7

secondary

#EADCBF

accent

#9711D5

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #668FE7

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

Preview Lab → · Contrast checker → · Palette generator →