#668DEA#668DEA

#668DEA is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.7% C 0.146 H 265.4°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#668DEA
RGB	rgb(102, 141, 234)
HSL	hsl(222, 76%, 66%)
HSV	hsv(222, 56%, 92%)
CMYK	cmyk(56.4%, 39.7%, 0%, 8.2%)
CIE-LAB	lab(59.72, 13.49, -51.13)
CIE-LCH	lch(59.72, 52.88, 284.78°)
OKLab	oklab(65.73% -0.0116 -0.1451)
OKLCH	oklch(65.73% 0.146 265.4)
XYZ	xyz(29.8506, 27.8127, 81.6213)
Luminance	0.2782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DEA #EAC366

analogous

#66CFEA #668DEA #8166EA

triadic

#668DEA #EA668D #8DEA66

tetradic

#668DEA #EA66CF #EAC366 #66EA81

square

#668DEA #EA66CF #EAC366 #66EA81

split-complementary

#668DEA #EA8166 #CFEA66

monochromatic

#1A4ABC #3065E3 #668DEA #9CB5F1 #D2DDF9

Accessibility & contrast

On white

3.20

#668DEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#668DEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DEA

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DEA	#FFFFFF	#000000	##000000
##668DEA	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6696EE

Deuteranopia (green-blind)

#558AE8

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668dea;
/* rgb */ color: rgb(102, 141, 234);
/* oklch */ color: oklch(65.7% 0.146 265.4);

Tailwind

colors: {
  custom: {
    50: '#9badf1',
    500: '#668dea',
    950: '#000000',
  },
}

SCSS

$custom: #668dea;
$custom-light: #9badf1;
$custom-dark: #000000;

JSON

{
  "hex": "#668dea",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 234
  },
  "hsl": {
    "h": 222.273,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.65732,
    "c": 0.14561,
    "h": 265.4
  },
  "luminance": 0.27815
}

Semantic roles & 50–950 ramp

primary

#668DEA

secondary

#ECDFC0

accent

#9C0DD8

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668DEA

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

Preview Lab → · Contrast checker → · Palette generator →