#668AD9#668AD9

#668AD9 is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.2% C 0.126 H 264.6°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#668AD9
RGB	rgb(102, 138, 217)
HSL	hsl(221, 60%, 63%)
HSV	hsv(221, 53%, 85%)
CMYK	cmyk(53%, 36.4%, 0%, 14.9%)
CIE-LAB	lab(58.05, 9.88, -44.31)
CIE-LCH	lch(58.05, 45.40, 282.57°)
OKLab	oklab(64.16% -0.0119 -0.1252)
OKLCH	oklch(64.16% 0.126 264.6)
XYZ	xyz(27.0882, 26.0095, 69.2251)
Luminance	0.2601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AD9 #D9B566

analogous

#66C4D9 #668AD9 #7B66D9

triadic

#668AD9 #D9668A #8AD966

tetradic

#668AD9 #D966C4 #D9B566 #66D97B

square

#668AD9 #D966C4 #D9B566 #66D97B

split-complementary

#668AD9 #D97B66 #C4D966

monochromatic

#274C9D #3565CD #668AD9 #97AFE5 #C8D5F1

Accessibility & contrast

On white

3.39

#668AD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#668AD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AD9

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AD9	#FFFFFF	#000000	##000000
##668AD9	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B91DC

Deuteranopia (green-blind)

#5D87D7

Tritanopia (blue-blind)

#2A9BA7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #668ad9;
/* rgb */ color: rgb(102, 138, 217);
/* oklch */ color: oklch(64.2% 0.126 264.6);

Tailwind

colors: {
  custom: {
    50: '#99abe5',
    500: '#668ad9',
    950: '#000000',
  },
}

SCSS

$custom: #668ad9;
$custom-light: #99abe5;
$custom-dark: #000000;

JSON

{
  "hex": "#668ad9",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 217
  },
  "hsl": {
    "h": 221.217,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64157,
    "c": 0.12581,
    "h": 264.6
  },
  "luminance": 0.26011
}

Semantic roles & 50–950 ramp

primary

#668AD9

secondary

#E2D5B8

accent

#931EC8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668AD9

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

Preview Lab → · Contrast checker → · Palette generator →