#668AFD#668AFD

#668AFD is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.3% C 0.175 H 268.3°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#668AFD
RGB	rgb(102, 138, 253)
HSL	hsl(226, 97%, 70%)
HSV	hsv(226, 60%, 99%)
CMYK	cmyk(59.7%, 45.5%, 0%, 0.8%)
CIE-LAB	lab(59.97, 21.43, -61.21)
CIE-LCH	lch(59.97, 64.86, 289.29°)
OKLab	oklab(66.26% -0.0052 -0.1748)
OKLCH	oklch(66.26% 0.175 268.3)
XYZ	xyz(32.2916, 28.0909, 96.6298)
Luminance	0.2809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AFD #FDD966

analogous

#66D6FD #668AFD #8D66FD

triadic

#668AFD #FD668A #8AFD66

tetradic

#668AFD #FD66D6 #FDD966 #66FD8D

square

#668AFD #FD66D6 #FDD966 #66FD8D

split-complementary

#668AFD #FD8D66 #D6FD66

monochromatic

#0339E6 #2A5CFC #668AFD #A2B8FE #DFE6FF

Accessibility & contrast

On white

3.17

#668AFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#668AFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AFD

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AFD	#FFFFFF	#000000	##000000
##668AFD	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5398FF

Deuteranopia (green-blind)

#3B8AFB

Tritanopia (blue-blind)

#00A4B7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668afd;
/* rgb */ color: rgb(102, 138, 253);
/* oklch */ color: oklch(66.3% 0.175 268.3);

Tailwind

colors: {
  custom: {
    50: '#9dabff',
    500: '#668afd',
    950: '#000000',
  },
}

SCSS

$custom: #668afd;
$custom-light: #9dabff;
$custom-dark: #000000;

JSON

{
  "hex": "#668afd",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 253
  },
  "hsl": {
    "h": 225.695,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.66263,
    "c": 0.17484,
    "h": 268.3
  },
  "luminance": 0.28094
}

Semantic roles & 50–950 ramp

primary

#668AFD

secondary

#F5EBCA

accent

#AF00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #668AFD

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

Preview Lab → · Contrast checker → · Palette generator →