#668EEF#668EEF

#668EEF is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.2% C 0.151 H 265.6°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#668EEF
RGB	rgb(102, 142, 239)
HSL	hsl(222, 81%, 67%)
HSV	hsv(222, 57%, 94%)
CMYK	cmyk(57.3%, 40.6%, 0%, 6.3%)
CIE-LAB	lab(60.25, 14.50, -53.06)
CIE-LCH	lch(60.25, 55.00, 285.29°)
OKLab	oklab(66.23% -0.0117 -0.1508)
OKLCH	oklch(66.23% 0.151 265.6)
XYZ	xyz(30.7272, 28.4003, 85.5072)
Luminance	0.2840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EEF #EFC766

analogous

#66D2EF #668EEF #8366EF

triadic

#668EEF #EF668E #8EEF66

tetradic

#668EEF #EF66D2 #EFC766 #66EF83

square

#668EEF #EF66D2 #EFC766 #66EF83

split-complementary

#668EEF #EF8366 #D2EF66

monochromatic

#1548C6 #2F65E9 #668EEF #9DB7F5 #D5E0FB

Accessibility & contrast

On white

3.14

#668EEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#668EEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EEF

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EEF	#FFFFFF	#000000	##000000
##668EEF	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)

#6498F3

Deuteranopia (green-blind)

#528BED

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668eef;
/* rgb */ color: rgb(102, 142, 239);
/* oklch */ color: oklch(66.2% 0.151 265.6);

Tailwind

colors: {
  custom: {
    50: '#9baef5',
    500: '#668eef',
    950: '#000000',
  },
}

SCSS

$custom: #668eef;
$custom-light: #9baef5;
$custom-dark: #000000;

JSON

{
  "hex": "#668eef",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 239
  },
  "hsl": {
    "h": 222.482,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.66226,
    "c": 0.15123,
    "h": 265.6
  },
  "luminance": 0.28403
}

Semantic roles & 50–950 ramp

primary

#668EEF

secondary

#EEE2C2

accent

#9F08DD

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668EEF

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

Preview Lab → · Contrast checker → · Palette generator →