#668FD9#668FD9

#668FD9 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.2% C 0.120 H 261.6°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#668FD9
RGB	rgb(102, 143, 217)
HSL	hsl(219, 60%, 63%)
HSV	hsv(219, 53%, 85%)
CMYK	cmyk(53%, 34.1%, 0%, 14.9%)
CIE-LAB	lab(59.41, 6.93, -42.15)
CIE-LCH	lch(59.41, 42.72, 279.33°)
OKLab	oklab(65.22% -0.0176 -0.1189)
OKLCH	oklch(65.22% 0.12 261.6)
XYZ	xyz(27.8221, 27.4774, 69.4697)
Luminance	0.2748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FD9 #D9B066

analogous

#66C8D9 #668FD9 #7766D9

triadic

#668FD9 #D9668F #8FD966

tetradic

#668FD9 #D966C8 #D9B066 #66D977

square

#668FD9 #D966C8 #D9B066 #66D977

split-complementary

#668FD9 #D97766 #C8D966

monochromatic

#27519D #356BCD #668FD9 #97B3E5 #C8D7F1

Accessibility & contrast

On white

3.23

#668FD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#668FD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FD9

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FD9	#FFFFFF	#000000	##000000
##668FD9	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7295DC

Deuteranopia (green-blind)

#648AD7

Tritanopia (blue-blind)

#289FAA

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668fd9;
/* rgb */ color: rgb(102, 143, 217);
/* oklch */ color: oklch(65.2% 0.120 261.6);

Tailwind

colors: {
  custom: {
    50: '#99afe5',
    500: '#668fd9',
    950: '#000000',
  },
}

SCSS

$custom: #668fd9;
$custom-light: #99afe5;
$custom-dark: #000000;

JSON

{
  "hex": "#668fd9",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 217
  },
  "hsl": {
    "h": 218.609,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.65219,
    "c": 0.12022,
    "h": 261.6
  },
  "luminance": 0.27479
}

Semantic roles & 50–950 ramp

primary

#668FD9

secondary

#E2D3B8

accent

#8B1EC8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668FD9

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

Preview Lab → · Contrast checker → · Palette generator →