#668AF8#668AF8

#668AF8 is a light, vivid blue. Relative luminance 0.278; OKLCH L 66.0% C 0.168 H 268.0°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#668AF8
RGB	rgb(102, 138, 248)
HSL	hsl(225, 91%, 69%)
HSV	hsv(225, 59%, 97%)
CMYK	cmyk(58.9%, 44.4%, 0%, 2.7%)
CIE-LAB	lab(59.69, 19.80, -58.92)
CIE-LCH	lch(59.69, 62.16, 288.58°)
OKLab	oklab(65.95% -0.006 -0.168)
OKLCH	oklch(65.95% 0.168 268)
XYZ	xyz(31.5055, 27.7765, 92.4899)
Luminance	0.2778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AF8 #F8D466

analogous

#66D3F8 #668AF8 #8B66F8

triadic

#668AF8 #F8668A #8AF866

tetradic

#668AF8 #F866D3 #F8D466 #66F88B

square

#668AF8 #F866D3 #F8D466 #66F88B

split-complementary

#668AF8 #F88B66 #D3F866

monochromatic

#0A3DDA #2B5DF5 #668AF8 #A1B7FB #DBE4FD

Accessibility & contrast

On white

3.20

#668AF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#668AF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AF8

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AF8	#FFFFFF	#000000	##000000
##668AF8	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5797FC

Deuteranopia (green-blind)

#418AF6

Tritanopia (blue-blind)

#00A3B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668af8;
/* rgb */ color: rgb(102, 138, 248);
/* oklch */ color: oklch(66.0% 0.168 268.0);

Tailwind

colors: {
  custom: {
    50: '#9dabfb',
    500: '#668af8',
    950: '#000000',
  },
}

SCSS

$custom: #668af8;
$custom-light: #9dabfb;
$custom-dark: #000000;

JSON

{
  "hex": "#668af8",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 248
  },
  "hsl": {
    "h": 225.205,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.65953,
    "c": 0.16813,
    "h": 268
  },
  "luminance": 0.27779
}

Semantic roles & 50–950 ramp

primary

#668AF8

secondary

#F3E8C7

accent

#AD00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668AF8

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

Preview Lab → · Contrast checker → · Palette generator →