#668DE7#668DE7

#668DE7 is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.6% C 0.142 H 265.1°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#668DE7
RGB	rgb(102, 141, 231)
HSL	hsl(222, 73%, 65%)
HSV	hsv(222, 56%, 91%)
CMYK	cmyk(55.8%, 39%, 0%, 9.4%)
CIE-LAB	lab(59.56, 12.53, -49.71)
CIE-LCH	lch(59.56, 51.27, 284.15°)
OKLab	oklab(65.56% -0.0122 -0.141)
OKLCH	oklch(65.56% 0.142 265.1)
XYZ	xyz(29.4233, 27.6418, 79.3707)
Luminance	0.2764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DE7 #E7C066

analogous

#66CEE7 #668DE7 #7F66E7

triadic

#668DE7 #E7668D #8DE766

tetradic

#668DE7 #E766CE #E7C066 #66E77F

square

#668DE7 #E766CE #E7C066 #66E77F

split-complementary

#668DE7 #E77F66 #CEE766

monochromatic

#1D4BB6 #3166DF #668DE7 #9BB4EF #D0DCF8

Accessibility & contrast

On white

3.22

#668DE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#668DE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DE7

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DE7	#FFFFFF	#000000	##000000
##668DE7	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6796EB

Deuteranopia (green-blind)

#578AE5

Tritanopia (blue-blind)

#0CA1AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668de7;
/* rgb */ color: rgb(102, 141, 231);
/* oklch */ color: oklch(65.6% 0.142 265.1);

Tailwind

colors: {
  custom: {
    50: '#9aadef',
    500: '#668de7',
    950: '#000000',
  },
}

SCSS

$custom: #668de7;
$custom-light: #9aadef;
$custom-dark: #000000;

JSON

{
  "hex": "#668de7",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 231
  },
  "hsl": {
    "h": 221.86,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.65562,
    "c": 0.14153,
    "h": 265.1
  },
  "luminance": 0.27644
}

Semantic roles & 50–950 ramp

primary

#668DE7

secondary

#EADDBF

accent

#9A11D5

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #668DE7

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

Preview Lab → · Contrast checker → · Palette generator →