#668AD8#668AD8

#668AD8 is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.1% C 0.124 H 264.4°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#668AD8
RGB	rgb(102, 138, 216)
HSL	hsl(221, 59%, 62%)
HSV	hsv(221, 53%, 85%)
CMYK	cmyk(52.8%, 36.1%, 0%, 15.3%)
CIE-LAB	lab(58.00, 9.56, -43.83)
CIE-LCH	lch(58.00, 44.86, 282.31°)
OKLab	oklab(64.1% -0.0122 -0.1238)
OKLCH	oklch(64.1% 0.124 264.4)
XYZ	xyz(26.9585, 25.9576, 68.5422)
Luminance	0.2596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AD8 #D8B466

analogous

#66C3D8 #668AD8 #7B66D8

triadic

#668AD8 #D8668A #8AD866

tetradic

#668AD8 #D866C3 #D8B466 #66D87B

square

#668AD8 #D866C3 #D8B466 #66D87B

split-complementary

#668AD8 #D87B66 #C3D866

monochromatic

#284C9C #3565CC #668AD8 #97AFE4 #C8D5F1

Accessibility & contrast

On white

3.39

#668AD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#668AD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AD8

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AD8	#FFFFFF	#000000	##000000
##668AD8	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B91DB

Deuteranopia (green-blind)

#5E87D6

Tritanopia (blue-blind)

#2B9BA7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #668ad8;
/* rgb */ color: rgb(102, 138, 216);
/* oklch */ color: oklch(64.1% 0.124 264.4);

Tailwind

colors: {
  custom: {
    50: '#99abe4',
    500: '#668ad8',
    950: '#000000',
  },
}

SCSS

$custom: #668ad8;
$custom-light: #99abe4;
$custom-dark: #000000;

JSON

{
  "hex": "#668ad8",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 216
  },
  "hsl": {
    "h": 221.053,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64103,
    "c": 0.12443,
    "h": 264.4
  },
  "luminance": 0.2596
}

Semantic roles & 50–950 ramp

primary

#668AD8

secondary

#E2D5B8

accent

#921EC7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1015

muted

#7E7F84

Preview Lab

Preview with #668AD8

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

Preview Lab → · Contrast checker → · Palette generator →