#668EE0#668EE0

#668EE0 is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.4% C 0.131 H 263.5°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#668EE0
RGB	rgb(102, 142, 224)
HSL	hsl(220, 66%, 64%)
HSV	hsv(220, 54%, 88%)
CMYK	cmyk(54.5%, 36.6%, 0%, 12.2%)
CIE-LAB	lab(59.48, 9.72, -45.95)
CIE-LCH	lch(59.48, 46.97, 281.94°)
OKLab	oklab(65.38% -0.0148 -0.13)
OKLCH	oklch(65.38% 0.131 263.5)
XYZ	xyz(28.6025, 27.5504, 74.3171)
Luminance	0.2755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EE0 #E0B866

analogous

#66CBE0 #668EE0 #7B66E0

triadic

#668EE0 #E0668E #8EE066

tetradic

#668EE0 #E066CB #E0B866 #66E07B

square

#668EE0 #E066CB #E0B866 #66E07B

split-complementary

#668EE0 #E07B66 #CBE066

monochromatic

#224FA9 #3368D6 #668EE0 #99B4EA #CCD9F5

Accessibility & contrast

On white

3.23

#668EE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#668EE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EE0

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EE0	#FFFFFF	#000000	##000000
##668EE0	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D95E3

Deuteranopia (green-blind)

#5E8ADE

Tritanopia (blue-blind)

#1EA0AC

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668ee0;
/* rgb */ color: rgb(102, 142, 224);
/* oklch */ color: oklch(65.4% 0.131 263.5);

Tailwind

colors: {
  custom: {
    50: '#99aeea',
    500: '#668ee0',
    950: '#000000',
  },
}

SCSS

$custom: #668ee0;
$custom-light: #99aeea;
$custom-dark: #000000;

JSON

{
  "hex": "#668ee0",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 224
  },
  "hsl": {
    "h": 220.328,
    "s": 66.304,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65382,
    "c": 0.13084,
    "h": 263.5
  },
  "luminance": 0.27553
}

Semantic roles & 50–950 ramp

primary

#668EE0

secondary

#E6D8BC

accent

#9217CE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #668EE0

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

Preview Lab → · Contrast checker → · Palette generator →