#668CD9#668CD9

#668CD9 is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.124 H 263.4°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#668CD9
RGB	rgb(102, 140, 217)
HSL	hsl(220, 60%, 63%)
HSV	hsv(220, 53%, 85%)
CMYK	cmyk(53%, 35.5%, 0%, 14.9%)
CIE-LAB	lab(58.59, 8.69, -43.45)
CIE-LCH	lch(58.59, 44.31, 281.31°)
OKLab	oklab(64.58% -0.0142 -0.1227)
OKLCH	oklch(64.58% 0.124 263.4)
XYZ	xyz(27.3777, 26.5887, 69.3216)
Luminance	0.2659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CD9 #D9B366

analogous

#66C5D9 #668CD9 #7A66D9

triadic

#668CD9 #D9668C #8CD966

tetradic

#668CD9 #D966C5 #D9B366 #66D97A

square

#668CD9 #D966C5 #D9B366 #66D97A

split-complementary

#668CD9 #D97A66 #C5D966

monochromatic

#274E9D #3567CD #668CD9 #97B1E5 #C8D6F1

Accessibility & contrast

On white

3.32

#668CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#668CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CD9

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CD9	#FFFFFF	#000000	##000000
##668CD9	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D93DC

Deuteranopia (green-blind)

#6088D7

Tritanopia (blue-blind)

#299DA8

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668cd9;
/* rgb */ color: rgb(102, 140, 217);
/* oklch */ color: oklch(64.6% 0.124 263.4);

Tailwind

colors: {
  custom: {
    50: '#99ade5',
    500: '#668cd9',
    950: '#000000',
  },
}

SCSS

$custom: #668cd9;
$custom-light: #99ade5;
$custom-dark: #000000;

JSON

{
  "hex": "#668cd9",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 217
  },
  "hsl": {
    "h": 220.174,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.6458,
    "c": 0.12353,
    "h": 263.4
  },
  "luminance": 0.26591
}

Semantic roles & 50–950 ramp

primary

#668CD9

secondary

#E2D4B8

accent

#901EC8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668CD9

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

Preview Lab → · Contrast checker → · Palette generator →