#669AEE#669AEE

#669AEE is a light, vivid blue. Relative luminance 0.321; OKLCH L 68.7% C 0.137 H 259.6°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#669AEE
RGB	rgb(102, 154, 238)
HSL	hsl(217, 80%, 67%)
HSV	hsv(217, 57%, 93%)
CMYK	cmyk(57.1%, 35.3%, 0%, 6.7%)
CIE-LAB	lab(63.43, 7.13, -47.46)
CIE-LCH	lch(63.43, 48.00, 278.54°)
OKLab	oklab(68.67% -0.0247 -0.1343)
OKLCH	oklch(68.67% 0.137 259.6)
XYZ	xyz(32.4623, 32.1063, 85.3588)
Luminance	0.3211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669AEE #EEBA66

analogous

#66DEEE #669AEE #7666EE

triadic

#669AEE #EE669A #9AEE66

tetradic

#669AEE #EE66DE #EEBA66 #66EE76

square

#669AEE #EE66DE #EEBA66 #66EE76

split-complementary

#669AEE #EE7666 #DEEE66

monochromatic

#1658C4 #2F76E8 #669AEE #9DBEF4 #D4E3FA

Accessibility & contrast

On white

2.83

#669AEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#669AEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669AEE

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669AEE	#FFFFFF	#000000	##000000
##669AEE	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77A1F1

Deuteranopia (green-blind)

#6694EC

Tritanopia (blue-blind)

#00ADB9

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669aee;
/* rgb */ color: rgb(102, 154, 238);
/* oklch */ color: oklch(68.7% 0.137 259.6);

Tailwind

colors: {
  custom: {
    50: '#9bb7f4',
    500: '#669aee',
    950: '#000000',
  },
}

SCSS

$custom: #669aee;
$custom-light: #9bb7f4;
$custom-dark: #000000;

JSON

{
  "hex": "#669aee",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 238
  },
  "hsl": {
    "h": 217.059,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.68673,
    "c": 0.13656,
    "h": 259.6
  },
  "luminance": 0.32109
}

Semantic roles & 50–950 ramp

primary

#669AEE

secondary

#EEDDC2

accent

#8C09DC

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669AEE

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

Preview Lab → · Contrast checker → · Palette generator →