#668CF6#668CF6

#668CF6 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.2% C 0.163 H 267.1°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#668CF6
RGB	rgb(102, 140, 246)
HSL	hsl(224, 89%, 68%)
HSV	hsv(224, 59%, 96%)
CMYK	cmyk(58.5%, 43.1%, 0%, 3.5%)
CIE-LAB	lab(60.10, 17.96, -57.16)
CIE-LCH	lch(60.10, 59.91, 287.44°)
OKLab	oklab(66.23% -0.0083 -0.1628)
OKLCH	oklch(66.23% 0.163 267.1)
XYZ	xyz(31.4865, 28.2322, 90.9610)
Luminance	0.2823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CF6 #F6D066

analogous

#66D4F6 #668CF6 #8866F6

triadic

#668CF6 #F6668C #8CF666

tetradic

#668CF6 #F666D4 #F6D066 #66F688

square

#668CF6 #F666D4 #F6D066 #66F688

split-complementary

#668CF6 #F68866 #D4F666

monochromatic

#0D41D5 #2C61F3 #668CF6 #A0B7F9 #DAE3FD

Accessibility & contrast

On white

3.16

#668CF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#668CF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CF6

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CF6	#FFFFFF	#000000	##000000
##668CF6	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C98FA

Deuteranopia (green-blind)

#488BF4

Tritanopia (blue-blind)

#00A4B5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668cf6;
/* rgb */ color: rgb(102, 140, 246);
/* oklch */ color: oklch(66.2% 0.163 267.1);

Tailwind

colors: {
  custom: {
    50: '#9cadfa',
    500: '#668cf6',
    950: '#000000',
  },
}

SCSS

$custom: #668cf6;
$custom-light: #9cadfa;
$custom-dark: #000000;

JSON

{
  "hex": "#668cf6",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 246
  },
  "hsl": {
    "h": 224.167,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.66233,
    "c": 0.16304,
    "h": 267.1
  },
  "luminance": 0.28235
}

Semantic roles & 50–950 ramp

primary

#668CF6

secondary

#F2E6C6

accent

#A900E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668CF6

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

Preview Lab → · Contrast checker → · Palette generator →