#668FF0#668FF0

#668FF0 is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.5% C 0.151 H 265.3°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#668FF0
RGB	rgb(102, 143, 240)
HSL	hsl(222, 82%, 67%)
HSV	hsv(222, 58%, 94%)
CMYK	cmyk(57.5%, 40.4%, 0%, 5.9%)
CIE-LAB	lab(60.57, 14.23, -53.10)
CIE-LCH	lch(60.57, 54.98, 285.00°)
OKLab	oklab(66.49% -0.0125 -0.1509)
OKLCH	oklch(66.49% 0.151 265.3)
XYZ	xyz(31.0248, 28.7584, 86.3372)
Luminance	0.2876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FF0 #F0C766

analogous

#66D4F0 #668FF0 #8266F0

triadic

#668FF0 #F0668F #8FF066

tetradic

#668FF0 #F066D4 #F0C766 #66F082

square

#668FF0 #F066D4 #F0C766 #66F082

split-complementary

#668FF0 #F08266 #D4F066

monochromatic

#1449C8 #2E66EB #668FF0 #9EB8F5 #D5E1FB

Accessibility & contrast

On white

3.11

#668FF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#668FF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FF0

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FF0	#FFFFFF	#000000	##000000
##668FF0	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6599F4

Deuteranopia (green-blind)

#538CEE

Tritanopia (blue-blind)

#00A5B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #668ff0;
/* rgb */ color: rgb(102, 143, 240);
/* oklch */ color: oklch(66.5% 0.151 265.3);

Tailwind

colors: {
  custom: {
    50: '#9caff5',
    500: '#668ff0',
    950: '#000000',
  },
}

SCSS

$custom: #668ff0;
$custom-light: #9caff5;
$custom-dark: #000000;

JSON

{
  "hex": "#668ff0",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 240
  },
  "hsl": {
    "h": 222.174,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.66489,
    "c": 0.15142,
    "h": 265.3
  },
  "luminance": 0.28761
}

Semantic roles & 50–950 ramp

primary

#668FF0

secondary

#EFE2C3

accent

#9E07DF

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668FF0

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

Preview Lab → · Contrast checker → · Palette generator →