#668BE9#668BE9

#668BE9 is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.3% C 0.147 H 266.2°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#668BE9
RGB	rgb(102, 139, 233)
HSL	hsl(223, 75%, 66%)
HSV	hsv(223, 56%, 91%)
CMYK	cmyk(56.2%, 40.3%, 0%, 8.6%)
CIE-LAB	lab(59.13, 14.36, -51.51)
CIE-LCH	lch(59.13, 53.47, 285.58°)
OKLab	oklab(65.26% -0.0096 -0.1463)
OKLCH	oklch(65.26% 0.147 266.2)
XYZ	xyz(29.4151, 27.1709, 80.7694)
Luminance	0.2717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BE9 #E9C466

analogous

#66CDE9 #668BE9 #8266E9

triadic

#668BE9 #E9668B #8BE966

tetradic

#668BE9 #E966CD #E9C466 #66E982

square

#668BE9 #E966CD #E9C466 #66E982

split-complementary

#668BE9 #E98266 #CDE966

monochromatic

#1B48BA #3062E1 #668BE9 #9CB4F1 #D1DCF8

Accessibility & contrast

On white

3.26

#668BE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#668BE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BE9

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BE9	#FFFFFF	#000000	##000000
##668BE9	1.00	3.26	6.43	6.43
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6395ED

Deuteranopia (green-blind)

#5289E7

Tritanopia (blue-blind)

#04A0AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668be9;
/* rgb */ color: rgb(102, 139, 233);
/* oklch */ color: oklch(65.3% 0.147 266.2);

Tailwind

colors: {
  custom: {
    50: '#9bacf0',
    500: '#668be9',
    950: '#000000',
  },
}

SCSS

$custom: #668be9;
$custom-light: #9bacf0;
$custom-dark: #000000;

JSON

{
  "hex": "#668be9",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 233
  },
  "hsl": {
    "h": 223.053,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.65263,
    "c": 0.1466,
    "h": 266.2
  },
  "luminance": 0.27173
}

Semantic roles & 50–950 ramp

primary

#668BE9

secondary

#EBDFC0

accent

#9E0ED7

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668BE9

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

Preview Lab → · Contrast checker → · Palette generator →