#668FEA#668FEA

#668FEA is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.1% C 0.143 H 264.5°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#668FEA
RGB	rgb(102, 143, 234)
HSL	hsl(221, 76%, 66%)
HSV	hsv(221, 56%, 92%)
CMYK	cmyk(56.4%, 38.9%, 0%, 8.2%)
CIE-LAB	lab(60.26, 12.31, -50.28)
CIE-LCH	lch(60.26, 51.76, 283.75°)
OKLab	oklab(66.15% -0.0137 -0.1426)
OKLCH	oklch(66.15% 0.143 264.5)
XYZ	xyz(30.1482, 28.4078, 81.7205)
Luminance	0.2841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FEA #EAC166

analogous

#66D1EA #668FEA #7F66EA

triadic

#668FEA #EA668F #8FEA66

tetradic

#668FEA #EA66D1 #EAC166 #66EA7F

square

#668FEA #EA66D1 #EAC166 #66EA7F

split-complementary

#668FEA #EA7F66 #D1EA66

monochromatic

#1A4CBC #3068E3 #668FEA #9CB6F1 #D2DEF9

Accessibility & contrast

On white

3.14

#668FEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#668FEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FEA

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FEA	#FFFFFF	#000000	##000000
##668FEA	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6998EE

Deuteranopia (green-blind)

#588CE8

Tritanopia (blue-blind)

#00A3B1

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668fea;
/* rgb */ color: rgb(102, 143, 234);
/* oklch */ color: oklch(66.1% 0.143 264.5);

Tailwind

colors: {
  custom: {
    50: '#9baff1',
    500: '#668fea',
    950: '#000000',
  },
}

SCSS

$custom: #668fea;
$custom-light: #9baff1;
$custom-dark: #000000;

JSON

{
  "hex": "#668fea",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 234
  },
  "hsl": {
    "h": 221.364,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.66146,
    "c": 0.1433,
    "h": 264.5
  },
  "luminance": 0.2841
}

Semantic roles & 50–950 ramp

primary

#668FEA

secondary

#ECDEC0

accent

#990DD8

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668FEA

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

Preview Lab → · Contrast checker → · Palette generator →