#668BD9#668BD9

#668BD9 is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.125 H 264.0°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#668BD9
RGB	rgb(102, 139, 217)
HSL	hsl(221, 60%, 63%)
HSV	hsv(221, 53%, 85%)
CMYK	cmyk(53%, 35.9%, 0%, 14.9%)
CIE-LAB	lab(58.32, 9.28, -43.88)
CIE-LCH	lch(58.32, 44.85, 281.95°)
OKLab	oklab(64.37% -0.0131 -0.124)
OKLCH	oklch(64.37% 0.125 264)
XYZ	xyz(27.2323, 26.2978, 69.2731)
Luminance	0.2630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BD9 #D9B466

analogous

#66C4D9 #668BD9 #7B66D9

triadic

#668BD9 #D9668B #8BD966

tetradic

#668BD9 #D966C4 #D9B466 #66D97B

square

#668BD9 #D966C4 #D9B466 #66D97B

split-complementary

#668BD9 #D97B66 #C4D966

monochromatic

#274D9D #3566CD #668BD9 #97B0E5 #C8D5F1

Accessibility & contrast

On white

3.35

#668BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#668BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BD9

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BD9	#FFFFFF	#000000	##000000
##668BD9	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C92DC

Deuteranopia (green-blind)

#5E87D7

Tritanopia (blue-blind)

#2A9CA8

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668bd9;
/* rgb */ color: rgb(102, 139, 217);
/* oklch */ color: oklch(64.4% 0.125 264.0);

Tailwind

colors: {
  custom: {
    50: '#99ace5',
    500: '#668bd9',
    950: '#000000',
  },
}

SCSS

$custom: #668bd9;
$custom-light: #99ace5;
$custom-dark: #000000;

JSON

{
  "hex": "#668bd9",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 217
  },
  "hsl": {
    "h": 220.696,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64368,
    "c": 0.12466,
    "h": 264
  },
  "luminance": 0.263
}

Semantic roles & 50–950 ramp

primary

#668BD9

secondary

#E2D5B8

accent

#911EC8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668BD9

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

Preview Lab → · Contrast checker → · Palette generator →