#668CF9#668CF9

#668CF9 is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.4% C 0.167 H 267.3°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#668CF9
RGB	rgb(102, 140, 249)
HSL	hsl(224, 92%, 69%)
HSV	hsv(224, 59%, 98%)
CMYK	cmyk(59%, 43.8%, 0%, 2.4%)
CIE-LAB	lab(60.26, 18.93, -58.55)
CIE-LCH	lch(60.26, 61.53, 287.92°)
OKLab	oklab(66.41% -0.0078 -0.1669)
OKLCH	oklch(66.41% 0.167 267.3)
XYZ	xyz(31.9507, 28.4178, 93.4056)
Luminance	0.2842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CF9 #F9D366

analogous

#66D6F9 #668CF9 #8A66F9

triadic

#668CF9 #F9668C #8CF966

tetradic

#668CF9 #F966D6 #F9D366 #66F98A

square

#668CF9 #F966D6 #F9D366 #66F98A

split-complementary

#668CF9 #F98A66 #D6F966

monochromatic

#093FDC #2B60F7 #668CF9 #A1B8FB #DCE5FE

Accessibility & contrast

On white

3.14

#668CF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#668CF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CF9

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CF9	#FFFFFF	#000000	##000000
##668CF9	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A98FD

Deuteranopia (green-blind)

#448BF7

Tritanopia (blue-blind)

#00A4B6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668cf9;
/* rgb */ color: rgb(102, 140, 249);
/* oklch */ color: oklch(66.4% 0.167 267.3);

Tailwind

colors: {
  custom: {
    50: '#9dadfc',
    500: '#668cf9',
    950: '#000000',
  },
}

SCSS

$custom: #668cf9;
$custom-light: #9dadfc;
$custom-dark: #000000;

JSON

{
  "hex": "#668cf9",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 249
  },
  "hsl": {
    "h": 224.49,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.66414,
    "c": 0.16708,
    "h": 267.3
  },
  "luminance": 0.28421
}

Semantic roles & 50–950 ramp

primary

#668CF9

secondary

#F3E8C8

accent

#AA00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668CF9

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

Preview Lab → · Contrast checker → · Palette generator →