#668BF9#668BF9

#668BF9 is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.2% C 0.168 H 267.7°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#668BF9
RGB	rgb(102, 139, 249)
HSL	hsl(225, 92%, 69%)
HSV	hsv(225, 59%, 98%)
CMYK	cmyk(59%, 44.2%, 0%, 2.4%)
CIE-LAB	lab(60.00, 19.53, -58.96)
CIE-LCH	lch(60.00, 62.11, 288.32°)
OKLab	oklab(66.21% -0.0068 -0.1681)
OKLCH	oklch(66.21% 0.168 267.7)
XYZ	xyz(31.8052, 28.1269, 93.3571)
Luminance	0.2813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BF9 #F9D466

analogous

#66D5F9 #668BF9 #8B66F9

triadic

#668BF9 #F9668B #8BF966

tetradic

#668BF9 #F966D5 #F9D466 #66F98B

square

#668BF9 #F966D5 #F9D466 #66F98B

split-complementary

#668BF9 #F98B66 #D5F966

monochromatic

#093EDC #2B5EF7 #668BF9 #A1B8FB #DCE4FE

Accessibility & contrast

On white

3.17

#668BF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#668BF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BF9

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BF9	#FFFFFF	#000000	##000000
##668BF9	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5898FD

Deuteranopia (green-blind)

#428AF7

Tritanopia (blue-blind)

#00A4B6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668bf9;
/* rgb */ color: rgb(102, 139, 249);
/* oklch */ color: oklch(66.2% 0.168 267.7);

Tailwind

colors: {
  custom: {
    50: '#9dacfc',
    500: '#668bf9',
    950: '#000000',
  },
}

SCSS

$custom: #668bf9;
$custom-light: #9dacfc;
$custom-dark: #000000;

JSON

{
  "hex": "#668bf9",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 249
  },
  "hsl": {
    "h": 224.898,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.66214,
    "c": 0.16828,
    "h": 267.7
  },
  "luminance": 0.2813
}

Semantic roles & 50–950 ramp

primary

#668BF9

secondary

#F3E8C8

accent

#AC00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668BF9

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

Preview Lab → · Contrast checker → · Palette generator →