#668DEB#668DEB

#668DEB is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.8% C 0.147 H 265.6°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#668DEB
RGB	rgb(102, 141, 235)
HSL	hsl(222, 77%, 66%)
HSV	hsv(222, 57%, 92%)
CMYK	cmyk(56.6%, 40%, 0%, 7.8%)
CIE-LAB	lab(59.77, 13.81, -51.60)
CIE-LCH	lch(59.77, 53.42, 284.98°)
OKLab	oklab(65.79% -0.0114 -0.1465)
OKLCH	oklch(65.79% 0.147 265.6)
XYZ	xyz(29.9947, 27.8703, 82.3800)
Luminance	0.2787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DEB #EBC466

analogous

#66CFEB #668DEB #8166EB

triadic

#668DEB #EB668D #8DEB66

tetradic

#668DEB #EB66CF #EBC466 #66EB81

square

#668DEB #EB66CF #EBC466 #66EB81

split-complementary

#668DEB #EB8166 #CFEB66

monochromatic

#1949BE #3065E4 #668DEB #9CB5F2 #D2DEF9

Accessibility & contrast

On white

3.19

#668DEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#668DEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DEB

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DEB	#FFFFFF	#000000	##000000
##668DEB	1.00	3.19	6.57	6.57
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6596EF

Deuteranopia (green-blind)

#548AE9

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668deb;
/* rgb */ color: rgb(102, 141, 235);
/* oklch */ color: oklch(65.8% 0.147 265.6);

Tailwind

colors: {
  custom: {
    50: '#9badf2',
    500: '#668deb',
    950: '#000000',
  },
}

SCSS

$custom: #668deb;
$custom-light: #9badf2;
$custom-dark: #000000;

JSON

{
  "hex": "#668deb",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 235
  },
  "hsl": {
    "h": 222.406,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.6579,
    "c": 0.14697,
    "h": 265.6
  },
  "luminance": 0.27873
}

Semantic roles & 50–950 ramp

primary

#668DEB

secondary

#ECDFC1

accent

#9D0CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668DEB

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

Preview Lab → · Contrast checker → · Palette generator →