#669AEA#669AEA

#669AEA is a light, vivid blue. Relative luminance 0.319; OKLCH L 68.5% C 0.131 H 258.7°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#669AEA
RGB	rgb(102, 154, 234)
HSL	hsl(216, 76%, 66%)
HSV	hsv(216, 56%, 92%)
CMYK	cmyk(56.4%, 34.2%, 0%, 8.2%)
CIE-LAB	lab(63.24, 5.86, -45.56)
CIE-LCH	lch(63.24, 45.94, 277.33°)
OKLab	oklab(68.46% -0.0256 -0.1288)
OKLCH	oklch(68.46% 0.131 258.7)
XYZ	xyz(31.8812, 31.8739, 82.2982)
Luminance	0.3188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669AEA #EAB666

analogous

#66DCEA #669AEA #7466EA

triadic

#669AEA #EA669A #9AEA66

tetradic

#669AEA #EA66DC #EAB666 #66EA74

square

#669AEA #EA66DC #EAB666 #66EA74

split-complementary

#669AEA #EA7466 #DCEA66

monochromatic

#1A5ABC #3076E3 #669AEA #9CBEF1 #D2E1F9

Accessibility & contrast

On white

2.85

#669AEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#669AEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669AEA

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669AEA	#FFFFFF	#000000	##000000
##669AEA	1.00	2.85	7.38	7.38
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A0ED

Deuteranopia (green-blind)

#6893E8

Tritanopia (blue-blind)

#00ACB7

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669aea;
/* rgb */ color: rgb(102, 154, 234);
/* oklch */ color: oklch(68.5% 0.131 258.7);

Tailwind

colors: {
  custom: {
    50: '#9bb7f1',
    500: '#669aea',
    950: '#000000',
  },
}

SCSS

$custom: #669aea;
$custom-light: #9bb7f1;
$custom-dark: #000000;

JSON

{
  "hex": "#669aea",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 234
  },
  "hsl": {
    "h": 216.364,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.68461,
    "c": 0.1313,
    "h": 258.7
  },
  "luminance": 0.31876
}

Semantic roles & 50–950 ramp

primary

#669AEA

secondary

#ECDBC0

accent

#880DD8

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669AEA

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

Preview Lab → · Contrast checker → · Palette generator →