#668CF5#668CF5

#668CF5 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.2% C 0.162 H 267.0°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#668CF5
RGB	rgb(102, 140, 245)
HSL	hsl(224, 88%, 68%)
HSV	hsv(224, 58%, 96%)
CMYK	cmyk(58.4%, 42.9%, 0%, 3.9%)
CIE-LAB	lab(60.04, 17.63, -56.70)
CIE-LCH	lch(60.04, 59.37, 287.28°)
OKLab	oklab(66.17% -0.0085 -0.1615)
OKLCH	oklch(66.17% 0.162 267)
XYZ	xyz(31.3334, 28.1710, 90.1548)
Luminance	0.2817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CF5 #F5CF66

analogous

#66D3F5 #668CF5 #8766F5

triadic

#668CF5 #F5668C #8CF566

tetradic

#668CF5 #F566D3 #F5CF66 #66F587

square

#668CF5 #F566D3 #F5CF66 #66F587

split-complementary

#668CF5 #F58766 #D3F566

monochromatic

#0E42D3 #2D61F1 #668CF5 #9FB7F9 #D9E2FD

Accessibility & contrast

On white

3.17

#668CF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#668CF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CF5

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CF5	#FFFFFF	#000000	##000000
##668CF5	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)

#5D98F9

Deuteranopia (green-blind)

#498BF3

Tritanopia (blue-blind)

#00A3B5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668cf5;
/* rgb */ color: rgb(102, 140, 245);
/* oklch */ color: oklch(66.2% 0.162 267.0);

Tailwind

colors: {
  custom: {
    50: '#9cadf9',
    500: '#668cf5',
    950: '#000000',
  },
}

SCSS

$custom: #668cf5;
$custom-light: #9cadf9;
$custom-dark: #000000;

JSON

{
  "hex": "#668cf5",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 245
  },
  "hsl": {
    "h": 224.056,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.66173,
    "c": 0.1617,
    "h": 267
  },
  "luminance": 0.28174
}

Semantic roles & 50–950 ramp

primary

#668CF5

secondary

#F1E6C6

accent

#A801E4

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668CF5

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

Preview Lab → · Contrast checker → · Palette generator →