#668BEC#668BEC

#668BEC is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.4% C 0.151 H 266.6°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#668BEC
RGB	rgb(102, 139, 236)
HSL	hsl(223, 78%, 66%)
HSV	hsv(223, 57%, 93%)
CMYK	cmyk(56.8%, 41.1%, 0%, 7.5%)
CIE-LAB	lab(59.29, 15.32, -52.92)
CIE-LCH	lch(59.29, 55.09, 286.15°)
OKLab	oklab(65.44% -0.0091 -0.1504)
OKLCH	oklch(65.44% 0.151 266.6)
XYZ	xyz(29.8473, 27.3438, 83.0456)
Luminance	0.2735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BEC #ECC766

analogous

#66CEEC #668BEC #8466EC

triadic

#668BEC #EC668B #8BEC66

tetradic

#668BEC #EC66CE #ECC766 #66EC84

square

#668BEC #EC66CE #ECC766 #66EC84

split-complementary

#668BEC #EC8466 #CEEC66

monochromatic

#1846C0 #3062E5 #668BEC #9CB4F3 #D3DEFA

Accessibility & contrast

On white

3.25

#668BEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#668BEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BEC

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BEC	#FFFFFF	#000000	##000000
##668BEC	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6195F0

Deuteranopia (green-blind)

#5089EA

Tritanopia (blue-blind)

#00A0B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668bec;
/* rgb */ color: rgb(102, 139, 236);
/* oklch */ color: oklch(65.4% 0.151 266.6);

Tailwind

colors: {
  custom: {
    50: '#9bacf2',
    500: '#668bec',
    950: '#000000',
  },
}

SCSS

$custom: #668bec;
$custom-light: #9bacf2;
$custom-dark: #000000;

JSON

{
  "hex": "#668bec",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 236
  },
  "hsl": {
    "h": 223.433,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.65437,
    "c": 0.15068,
    "h": 266.6
  },
  "luminance": 0.27346
}

Semantic roles & 50–950 ramp

primary

#668BEC

secondary

#EDE1C1

accent

#A10BDA

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668BEC

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

Preview Lab → · Contrast checker → · Palette generator →