#668CE4#668CE4

#668CE4 is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.2% C 0.139 H 265.1°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#668CE4
RGB	rgb(102, 140, 228)
HSL	hsl(222, 70%, 65%)
HSV	hsv(222, 55%, 89%)
CMYK	cmyk(55.3%, 38.6%, 0%, 10.6%)
CIE-LAB	lab(59.14, 12.17, -48.72)
CIE-LCH	lch(59.14, 50.21, 284.02°)
OKLab	oklab(65.19% -0.0117 -0.1381)
OKLCH	oklch(65.19% 0.139 265.1)
XYZ	xyz(28.8564, 27.1802, 77.1094)
Luminance	0.2718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CE4 #E4BE66

analogous

#66CBE4 #668CE4 #7F66E4

triadic

#668CE4 #E4668C #8CE466

tetradic

#668CE4 #E466CB #E4BE66 #66E47F

square

#668CE4 #E466CB #E4BE66 #66E47F

split-complementary

#668CE4 #E47F66 #CBE466

monochromatic

#1F4BB0 #3265DB #668CE4 #9AB3ED #CEDAF6

Accessibility & contrast

On white

3.26

#668CE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#668CE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CE4

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CE4	#FFFFFF	#000000	##000000
##668CE4	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6895E8

Deuteranopia (green-blind)

#5889E2

Tritanopia (blue-blind)

#169FAD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668ce4;
/* rgb */ color: rgb(102, 140, 228);
/* oklch */ color: oklch(65.2% 0.139 265.1);

Tailwind

colors: {
  custom: {
    50: '#9aaded',
    500: '#668ce4',
    950: '#000000',
  },
}

SCSS

$custom: #668ce4;
$custom-light: #9aaded;
$custom-dark: #000000;

JSON

{
  "hex": "#668ce4",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 228
  },
  "hsl": {
    "h": 221.905,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.65185,
    "c": 0.1386,
    "h": 265.1
  },
  "luminance": 0.27182
}

Semantic roles & 50–950 ramp

primary

#668CE4

secondary

#E9DBBD

accent

#9914D2

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #668CE4

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

Preview Lab → · Contrast checker → · Palette generator →