#668AF9#668AF9

#668AF9 is a light, vivid blue. Relative luminance 0.278; OKLCH L 66.0% C 0.169 H 268.0°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#668AF9
RGB	rgb(102, 138, 249)
HSL	hsl(225, 92%, 69%)
HSV	hsv(225, 59%, 98%)
CMYK	cmyk(59%, 44.6%, 0%, 2.4%)
CIE-LAB	lab(59.74, 20.13, -59.38)
CIE-LCH	lch(59.74, 62.70, 288.72°)
OKLab	oklab(66.02% -0.0058 -0.1694)
OKLCH	oklch(66.02% 0.169 268)
XYZ	xyz(31.6611, 27.8387, 93.3091)
Luminance	0.2784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AF9 #F9D566

analogous

#66D4F9 #668AF9 #8C66F9

triadic

#668AF9 #F9668A #8AF966

tetradic

#668AF9 #F966D4 #F9D566 #66F98C

square

#668AF9 #F966D4 #F9D566 #66F98C

split-complementary

#668AF9 #F98C66 #D4F966

monochromatic

#093CDC #2B5DF7 #668AF9 #A1B7FB #DCE4FE

Accessibility & contrast

On white

3.20

#668AF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#668AF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AF9

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AF9	#FFFFFF	#000000	##000000
##668AF9	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5697FD

Deuteranopia (green-blind)

#408AF7

Tritanopia (blue-blind)

#00A3B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668af9;
/* rgb */ color: rgb(102, 138, 249);
/* oklch */ color: oklch(66.0% 0.169 268.0);

Tailwind

colors: {
  custom: {
    50: '#9dabfc',
    500: '#668af9',
    950: '#000000',
  },
}

SCSS

$custom: #668af9;
$custom-light: #9dabfc;
$custom-dark: #000000;

JSON

{
  "hex": "#668af9",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 249
  },
  "hsl": {
    "h": 225.306,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.66015,
    "c": 0.16948,
    "h": 268
  },
  "luminance": 0.27841
}

Semantic roles & 50–950 ramp

primary

#668AF9

secondary

#F3E8C8

accent

#AD00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668AF9

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

Preview Lab → · Contrast checker → · Palette generator →