#668EE9#668EE9

#668EE9 is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.9% C 0.143 H 264.8°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#668EE9
RGB	rgb(102, 142, 233)
HSL	hsl(222, 75%, 66%)
HSV	hsv(222, 56%, 91%)
CMYK	cmyk(56.2%, 39.1%, 0%, 8.6%)
CIE-LAB	lab(59.94, 12.58, -50.23)
CIE-LCH	lch(59.94, 51.78, 284.06°)
OKLab	oklab(65.88% -0.0129 -0.1425)
OKLCH	oklch(65.88% 0.143 264.8)
XYZ	xyz(29.8555, 28.0516, 80.9162)
Luminance	0.2805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EE9 #E9C166

analogous

#66D0E9 #668EE9 #7F66E9

triadic

#668EE9 #E9668E #8EE966

tetradic

#668EE9 #E966D0 #E9C166 #66E97F

square

#668EE9 #E966D0 #E9C166 #66E97F

split-complementary

#668EE9 #E97F66 #D0E966

monochromatic

#1B4BBA #3066E1 #668EE9 #9CB6F1 #D1DDF8

Accessibility & contrast

On white

3.18

#668EE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#668EE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EE9

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EE9	#FFFFFF	#000000	##000000
##668EE9	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6897ED

Deuteranopia (green-blind)

#578BE7

Tritanopia (blue-blind)

#01A2B0

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668ee9;
/* rgb */ color: rgb(102, 142, 233);
/* oklch */ color: oklch(65.9% 0.143 264.8);

Tailwind

colors: {
  custom: {
    50: '#9baef0',
    500: '#668ee9',
    950: '#000000',
  },
}

SCSS

$custom: #668ee9;
$custom-light: #9baef0;
$custom-dark: #000000;

JSON

{
  "hex": "#668ee9",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 233
  },
  "hsl": {
    "h": 221.679,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.65882,
    "c": 0.14309,
    "h": 264.8
  },
  "luminance": 0.28054
}

Semantic roles & 50–950 ramp

primary

#668EE9

secondary

#EBDEC0

accent

#9A0ED7

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #668EE9

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

Preview Lab → · Contrast checker → · Palette generator →