#668CF2#668CF2

#668CF2 is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.0% C 0.158 H 266.7°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#668CF2
RGB	rgb(102, 140, 242)
HSL	hsl(224, 84%, 67%)
HSV	hsv(224, 58%, 95%)
CMYK	cmyk(57.9%, 42.1%, 0%, 5.1%)
CIE-LAB	lab(59.88, 16.66, -55.30)
CIE-LCH	lch(59.88, 57.76, 286.77°)
OKLab	oklab(65.99% -0.009 -0.1574)
OKLCH	oklch(65.99% 0.158 266.7)
XYZ	xyz(30.8792, 27.9892, 87.7624)
Luminance	0.2799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CF2 #F2CC66

analogous

#66D2F2 #668CF2 #8666F2

triadic

#668CF2 #F2668C #8CF266

tetradic

#668CF2 #F266D2 #F2CC66 #66F286

square

#668CF2 #F266D2 #F2CC66 #66F286

split-complementary

#668CF2 #F28666 #D2F266

monochromatic

#1144CC #2E62ED #668CF2 #9EB6F7 #D7E1FC

Accessibility & contrast

On white

3.18

#668CF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#668CF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CF2

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CF2	#FFFFFF	#000000	##000000
##668CF2	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F97F6

Deuteranopia (green-blind)

#4C8AF0

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668cf2;
/* rgb */ color: rgb(102, 140, 242);
/* oklch */ color: oklch(66.0% 0.158 266.7);

Tailwind

colors: {
  custom: {
    50: '#9cadf7',
    500: '#668cf2',
    950: '#000000',
  },
}

SCSS

$custom: #668cf2;
$custom-light: #9cadf7;
$custom-dark: #000000;

JSON

{
  "hex": "#668cf2",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 242
  },
  "hsl": {
    "h": 223.714,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.65994,
    "c": 0.15765,
    "h": 266.7
  },
  "luminance": 0.27992
}

Semantic roles & 50–950 ramp

primary

#668CF2

secondary

#F0E4C4

accent

#A505E1

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668CF2

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

Preview Lab → · Contrast checker → · Palette generator →