#668FE6#668FE6

#668FE6 is a light, vivid blue. Relative luminance 0.282; OKLCH L 65.9% C 0.138 H 263.9°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#668FE6
RGB	rgb(102, 143, 230)
HSL	hsl(221, 72%, 65%)
HSV	hsv(221, 56%, 90%)
CMYK	cmyk(55.7%, 37.8%, 0%, 9.8%)
CIE-LAB	lab(60.05, 11.03, -48.39)
CIE-LCH	lch(60.05, 49.63, 282.84°)
OKLab	oklab(65.92% -0.0146 -0.1371)
OKLCH	oklch(65.92% 0.138 263.9)
XYZ	xyz(29.5800, 28.1806, 78.7282)
Luminance	0.2818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FE6 #E6BD66

analogous

#66CFE6 #668FE6 #7D66E6

triadic

#668FE6 #E6668F #8FE666

tetradic

#668FE6 #E666CF #E6BD66 #66E67D

square

#668FE6 #E666CF #E6BD66 #66E67D

split-complementary

#668FE6 #E67D66 #CFE666

monochromatic

#1D4EB4 #3168DD #668FE6 #9BB6EF #CFDCF7

Accessibility & contrast

On white

3.16

#668FE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#668FE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FE6

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FE6	#FFFFFF	#000000	##000000
##668FE6	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B97E9

Deuteranopia (green-blind)

#5B8BE4

Tritanopia (blue-blind)

#0EA2AF

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668fe6;
/* rgb */ color: rgb(102, 143, 230);
/* oklch */ color: oklch(65.9% 0.138 263.9);

Tailwind

colors: {
  custom: {
    50: '#9aafee',
    500: '#668fe6',
    950: '#000000',
  },
}

SCSS

$custom: #668fe6;
$custom-light: #9aafee;
$custom-dark: #000000;

JSON

{
  "hex": "#668fe6",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 230
  },
  "hsl": {
    "h": 220.781,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65922,
    "c": 0.13787,
    "h": 263.9
  },
  "luminance": 0.28183
}

Semantic roles & 50–950 ramp

primary

#668FE6

secondary

#EADCBE

accent

#9612D4

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #668FE6

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

Preview Lab → · Contrast checker → · Palette generator →