#668CE0#668CE0

#668CE0 is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.0% C 0.133 H 264.6°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#668CE0
RGB	rgb(102, 140, 224)
HSL	hsl(221, 66%, 64%)
HSV	hsv(221, 54%, 88%)
CMYK	cmyk(54.5%, 37.5%, 0%, 12.2%)
CIE-LAB	lab(58.94, 10.90, -46.81)
CIE-LCH	lch(58.94, 48.06, 283.11°)
OKLab	oklab(64.96% -0.0126 -0.1325)
OKLCH	oklch(64.96% 0.133 264.6)
XYZ	xyz(28.3076, 26.9606, 74.2188)
Luminance	0.2696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CE0 #E0BA66

analogous

#66C9E0 #668CE0 #7D66E0

triadic

#668CE0 #E0668C #8CE066

tetradic

#668CE0 #E066C9 #E0BA66 #66E07D

square

#668CE0 #E066C9 #E0BA66 #66E07D

split-complementary

#668CE0 #E07D66 #C9E066

monochromatic

#224CA9 #3366D6 #668CE0 #99B2EA #CCD9F5

Accessibility & contrast

On white

3.29

#668CE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#668CE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CE0

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CE0	#FFFFFF	#000000	##000000
##668CE0	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A94E3

Deuteranopia (green-blind)

#5B89DE

Tritanopia (blue-blind)

#1F9EAB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668ce0;
/* rgb */ color: rgb(102, 140, 224);
/* oklch */ color: oklch(65.0% 0.133 264.6);

Tailwind

colors: {
  custom: {
    50: '#99adea',
    500: '#668ce0',
    950: '#000000',
  },
}

SCSS

$custom: #668ce0;
$custom-light: #99adea;
$custom-dark: #000000;

JSON

{
  "hex": "#668ce0",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 224
  },
  "hsl": {
    "h": 221.311,
    "s": 66.304,
    "l": 63.922
  },
  "oklch": {
    "l": 0.64962,
    "c": 0.13312,
    "h": 264.6
  },
  "luminance": 0.26963
}

Semantic roles & 50–950 ramp

primary

#668CE0

secondary

#E6D9BC

accent

#9517CE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #668CE0

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

Preview Lab → · Contrast checker → · Palette generator →