#668FEB#668FEB

#668FEB is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.2% C 0.145 H 264.6°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#668FEB
RGB	rgb(102, 143, 235)
HSL	hsl(222, 77%, 66%)
HSV	hsv(222, 57%, 92%)
CMYK	cmyk(56.6%, 39.1%, 0%, 7.8%)
CIE-LAB	lab(60.31, 12.63, -50.75)
CIE-LCH	lch(60.31, 52.30, 283.97°)
OKLab	oklab(66.2% -0.0135 -0.144)
OKLCH	oklch(66.2% 0.145 264.6)
XYZ	xyz(30.2922, 28.4654, 82.4792)
Luminance	0.2847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FEB #EBC266

analogous

#66D1EB #668FEB #7F66EB

triadic

#668FEB #EB668F #8FEB66

tetradic

#668FEB #EB66D1 #EBC266 #66EB7F

square

#668FEB #EB66D1 #EBC266 #66EB7F

split-complementary

#668FEB #EB7F66 #D1EB66

monochromatic

#194CBE #3067E4 #668FEB #9CB7F2 #D2DEF9

Accessibility & contrast

On white

3.14

#668FEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#668FEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FEB

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FEB	#FFFFFF	#000000	##000000
##668FEB	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6898EF

Deuteranopia (green-blind)

#578CE9

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668feb;
/* rgb */ color: rgb(102, 143, 235);
/* oklch */ color: oklch(66.2% 0.145 264.6);

Tailwind

colors: {
  custom: {
    50: '#9baff2',
    500: '#668feb',
    950: '#000000',
  },
}

SCSS

$custom: #668feb;
$custom-light: #9baff2;
$custom-dark: #000000;

JSON

{
  "hex": "#668feb",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 235
  },
  "hsl": {
    "h": 221.504,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.66203,
    "c": 0.14465,
    "h": 264.6
  },
  "luminance": 0.28468
}

Semantic roles & 50–950 ramp

primary

#668FEB

secondary

#ECDFC1

accent

#9A0CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668FEB

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

Preview Lab → · Contrast checker → · Palette generator →