#668BE8#668BE8

#668BE8 is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.2% C 0.145 H 266.1°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#668BE8
RGB	rgb(102, 139, 232)
HSL	hsl(223, 74%, 65%)
HSV	hsv(223, 56%, 91%)
CMYK	cmyk(56%, 40.1%, 0%, 9%)
CIE-LAB	lab(59.08, 14.04, -51.04)
CIE-LCH	lch(59.08, 52.93, 285.38°)
OKLab	oklab(65.21% -0.0098 -0.1449)
OKLCH	oklch(65.21% 0.145 266.1)
XYZ	xyz(29.2727, 27.1139, 80.0192)
Luminance	0.2712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BE8 #E8C366

analogous

#66CCE8 #668BE8 #8266E8

triadic

#668BE8 #E8668B #8BE866

tetradic

#668BE8 #E866CC #E8C366 #66E882

square

#668BE8 #E866CC #E8C366 #66E882

split-complementary

#668BE8 #E88266 #CCE866

monochromatic

#1C48B8 #3163E0 #668BE8 #9BB3F0 #D0DCF8

Accessibility & contrast

On white

3.27

#668BE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#668BE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BE8

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BE8	#FFFFFF	#000000	##000000
##668BE8	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6494EC

Deuteranopia (green-blind)

#5389E6

Tritanopia (blue-blind)

#099FAE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668be8;
/* rgb */ color: rgb(102, 139, 232);
/* oklch */ color: oklch(65.2% 0.145 266.1);

Tailwind

colors: {
  custom: {
    50: '#9bacf0',
    500: '#668be8',
    950: '#000000',
  },
}

SCSS

$custom: #668be8;
$custom-light: #9bacf0;
$custom-dark: #000000;

JSON

{
  "hex": "#668be8",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 232
  },
  "hsl": {
    "h": 222.923,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.65205,
    "c": 0.14523,
    "h": 266.1
  },
  "luminance": 0.27116
}

Semantic roles & 50–950 ramp

primary

#668BE8

secondary

#EBDEBF

accent

#9D10D6

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #668BE8

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

Preview Lab → · Contrast checker → · Palette generator →