#668FE8#668FE8

#668FE8 is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.0% C 0.141 H 264.2°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#668FE8
RGB	rgb(102, 143, 232)
HSL	hsl(221, 74%, 65%)
HSV	hsv(221, 56%, 91%)
CMYK	cmyk(56%, 38.4%, 0%, 9%)
CIE-LAB	lab(60.15, 11.67, -49.33)
CIE-LCH	lch(60.15, 50.70, 283.30°)
OKLab	oklab(66.03% -0.0142 -0.1399)
OKLCH	oklch(66.03% 0.141 264.2)
XYZ	xyz(29.8625, 28.2935, 80.2158)
Luminance	0.2830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FE8 #E8BF66

analogous

#66D0E8 #668FE8 #7E66E8

triadic

#668FE8 #E8668F #8FE866

tetradic

#668FE8 #E866D0 #E8BF66 #66E87E

square

#668FE8 #E866D0 #E8BF66 #66E87E

split-complementary

#668FE8 #E87E66 #D0E866

monochromatic

#1C4DB8 #3168E0 #668FE8 #9BB6F0 #D0DDF8

Accessibility & contrast

On white

3.15

#668FE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#668FE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FE8

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FE8	#FFFFFF	#000000	##000000
##668FE8	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A97EC

Deuteranopia (green-blind)

#5A8BE6

Tritanopia (blue-blind)

#05A3B0

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668fe8;
/* rgb */ color: rgb(102, 143, 232);
/* oklch */ color: oklch(66.0% 0.141 264.2);

Tailwind

colors: {
  custom: {
    50: '#9aaff0',
    500: '#668fe8',
    950: '#000000',
  },
}

SCSS

$custom: #668fe8;
$custom-light: #9aaff0;
$custom-dark: #000000;

JSON

{
  "hex": "#668fe8",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 232
  },
  "hsl": {
    "h": 221.077,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.66034,
    "c": 0.14058,
    "h": 264.2
  },
  "luminance": 0.28296
}

Semantic roles & 50–950 ramp

primary

#668FE8

secondary

#EBDDBF

accent

#9710D6

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #668FE8

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

Preview Lab → · Contrast checker → · Palette generator →