#668AFC#668AFC

#668AFC is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.2% C 0.173 H 268.2°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#668AFC
RGB	rgb(102, 138, 252)
HSL	hsl(226, 96%, 69%)
HSV	hsv(226, 60%, 99%)
CMYK	cmyk(59.5%, 45.2%, 0%, 1.2%)
CIE-LAB	lab(59.91, 21.10, -60.76)
CIE-LCH	lch(59.91, 64.32, 289.15°)
OKLab	oklab(66.2% -0.0054 -0.1734)
OKLCH	oklch(66.2% 0.174 268.2)
XYZ	xyz(32.1327, 28.0273, 95.7931)
Luminance	0.2803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AFC #FCD866

analogous

#66D5FC #668AFC #8D66FC

triadic

#668AFC #FC668A #8AFC66

tetradic

#668AFC #FC66D5 #FCD866 #66FC8D

square

#668AFC #FC66D5 #FCD866 #66FC8D

split-complementary

#668AFC #FC8D66 #D5FC66

monochromatic

#043AE3 #2A5CFB #668AFC #A2B8FD #DEE6FE

Accessibility & contrast

On white

3.18

#668AFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#668AFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AFC

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AFC	#FFFFFF	#000000	##000000
##668AFC	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5497FF

Deuteranopia (green-blind)

#3C8AFA

Tritanopia (blue-blind)

#00A4B7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668afc;
/* rgb */ color: rgb(102, 138, 252);
/* oklch */ color: oklch(66.2% 0.173 268.2);

Tailwind

colors: {
  custom: {
    50: '#9dabfe',
    500: '#668afc',
    950: '#000000',
  },
}

SCSS

$custom: #668afc;
$custom-light: #9dabfe;
$custom-dark: #000000;

JSON

{
  "hex": "#668afc",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 252
  },
  "hsl": {
    "h": 225.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.66201,
    "c": 0.1735,
    "h": 268.2
  },
  "luminance": 0.2803
}

Semantic roles & 50–950 ramp

primary

#668AFC

secondary

#F5EAC9

accent

#AE00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #668AFC

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

Preview Lab → · Contrast checker → · Palette generator →