#668AFA#668AFA

#668AFA is a light, vivid blue. Relative luminance 0.279; OKLCH L 66.1% C 0.171 H 268.1°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#668AFA
RGB	rgb(102, 138, 250)
HSL	hsl(225, 94%, 69%)
HSV	hsv(225, 59%, 98%)
CMYK	cmyk(59.2%, 44.8%, 0%, 2%)
CIE-LAB	lab(59.80, 20.45, -59.84)
CIE-LCH	lch(59.80, 63.24, 288.87°)
OKLab	oklab(66.08% -0.0057 -0.1707)
OKLCH	oklch(66.08% 0.171 268.1)
XYZ	xyz(31.8175, 27.9012, 94.1327)
Luminance	0.2790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AFA #FAD666

analogous

#66D4FA #668AFA #8C66FA

triadic

#668AFA #FA668A #8AFA66

tetradic

#668AFA #FA66D4 #FAD666 #66FA8C

square

#668AFA #FA66D4 #FAD666 #66FA8C

split-complementary

#668AFA #FA8C66 #D4FA66

monochromatic

#073CDE #2B5DF8 #668AFA #A1B7FC #DDE5FE

Accessibility & contrast

On white

3.19

#668AFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#668AFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AFA

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AFA	#FFFFFF	#000000	##000000
##668AFA	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5597FE

Deuteranopia (green-blind)

#3F8AF8

Tritanopia (blue-blind)

#00A3B6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668afa;
/* rgb */ color: rgb(102, 138, 250);
/* oklch */ color: oklch(66.1% 0.171 268.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#668afa",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 250
  },
  "hsl": {
    "h": 225.405,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.66077,
    "c": 0.17082,
    "h": 268.1
  },
  "luminance": 0.27904
}

Semantic roles & 50–950 ramp

primary

#668AFA

secondary

#F4E9C8

accent

#AE00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #668AFA

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

Preview Lab → · Contrast checker → · Palette generator →