#668EE6#668EE6

#668EE6 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.7% C 0.139 H 264.4°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#668EE6
RGB	rgb(102, 142, 230)
HSL	hsl(221, 72%, 65%)
HSV	hsv(221, 56%, 90%)
CMYK	cmyk(55.7%, 38.3%, 0%, 9.8%)
CIE-LAB	lab(59.78, 11.62, -48.81)
CIE-LCH	lch(59.78, 50.18, 283.39°)
OKLab	oklab(65.71% -0.0135 -0.1384)
OKLCH	oklch(65.71% 0.139 264.4)
XYZ	xyz(29.4306, 27.8817, 78.6784)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EE6 #E6BE66

analogous

#66CEE6 #668EE6 #7E66E6

triadic

#668EE6 #E6668E #8EE666

tetradic

#668EE6 #E666CE #E6BE66 #66E67E

square

#668EE6 #E666CE #E6BE66 #66E67E

split-complementary

#668EE6 #E67E66 #CEE666

monochromatic

#1D4DB4 #3167DD #668EE6 #9BB5EF #CFDCF7

Accessibility & contrast

On white

3.19

#668EE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#668EE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EE6

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EE6	#FFFFFF	#000000	##000000
##668EE6	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A96EA

Deuteranopia (green-blind)

#5A8BE4

Tritanopia (blue-blind)

#0FA1AF

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668ee6;
/* rgb */ color: rgb(102, 142, 230);
/* oklch */ color: oklch(65.7% 0.139 264.4);

Tailwind

colors: {
  custom: {
    50: '#9aaeee',
    500: '#668ee6',
    950: '#000000',
  },
}

SCSS

$custom: #668ee6;
$custom-light: #9aaeee;
$custom-dark: #000000;

JSON

{
  "hex": "#668ee6",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 230
  },
  "hsl": {
    "h": 221.25,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65713,
    "c": 0.13902,
    "h": 264.4
  },
  "luminance": 0.27884
}

Semantic roles & 50–950 ramp

primary

#668EE6

secondary

#EADCBE

accent

#9712D4

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #668EE6

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

Preview Lab → · Contrast checker → · Palette generator →