#668CDA#668CDA

#668CDA is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.125 H 263.6°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#668CDA
RGB	rgb(102, 140, 218)
HSL	hsl(220, 61%, 63%)
HSV	hsv(220, 53%, 85%)
CMYK	cmyk(53.2%, 35.8%, 0%, 14.5%)
CIE-LAB	lab(58.64, 9.01, -43.93)
CIE-LCH	lch(58.64, 44.84, 281.59°)
OKLab	oklab(64.63% -0.014 -0.1241)
OKLCH	oklch(64.63% 0.125 263.6)
XYZ	xyz(27.5082, 26.6409, 70.0087)
Luminance	0.2664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CDA #DAB466

analogous

#66C6DA #668CDA #7A66DA

triadic

#668CDA #DA668C #8CDA66

tetradic

#668CDA #DA66C6 #DAB466 #66DA7A

square

#668CDA #DA66C6 #DAB466 #66DA7A

split-complementary

#668CDA #DA7A66 #C6DA66

monochromatic

#264E9F #3567CE #668CDA #97B1E6 #C9D6F2

Accessibility & contrast

On white

3.32

#668CDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#668CDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CDA

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CDA	#FFFFFF	#000000	##000000
##668CDA	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D93DD

Deuteranopia (green-blind)

#5F88D8

Tritanopia (blue-blind)

#289DA9

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668cda;
/* rgb */ color: rgb(102, 140, 218);
/* oklch */ color: oklch(64.6% 0.125 263.6);

Tailwind

colors: {
  custom: {
    50: '#99ade6',
    500: '#668cda',
    950: '#000000',
  },
}

SCSS

$custom: #668cda;
$custom-light: #99ade6;
$custom-dark: #000000;

JSON

{
  "hex": "#668cda",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 218
  },
  "hsl": {
    "h": 220.345,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64634,
    "c": 0.1249,
    "h": 263.6
  },
  "luminance": 0.26643
}

Semantic roles & 50–950 ramp

primary

#668CDA

secondary

#E3D5B9

accent

#901DC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668CDA

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

Preview Lab → · Contrast checker → · Palette generator →