#669BEE#669BEE

#669BEE is a light, vivid blue. Relative luminance 0.324; OKLCH L 68.9% C 0.136 H 259.1°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#669BEE
RGB	rgb(102, 155, 238)
HSL	hsl(217, 80%, 67%)
HSV	hsv(217, 57%, 93%)
CMYK	cmyk(57.1%, 34.9%, 0%, 6.7%)
CIE-LAB	lab(63.70, 6.55, -47.03)
CIE-LCH	lch(63.70, 47.49, 277.93°)
OKLab	oklab(68.88% -0.0257 -0.133)
OKLCH	oklch(68.88% 0.136 259.1)
XYZ	xyz(32.6281, 32.4378, 85.4140)
Luminance	0.3244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BEE #EEB966

analogous

#66DFEE #669BEE #7566EE

triadic

#669BEE #EE669B #9BEE66

tetradic

#669BEE #EE66DF #EEB966 #66EE75

square

#669BEE #EE66DF #EEB966 #66EE75

split-complementary

#669BEE #EE7566 #DFEE66

monochromatic

#165AC4 #2F77E8 #669BEE #9DBFF4 #D4E3FA

Accessibility & contrast

On white

2.80

#669BEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#669BEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BEE

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BEE	#FFFFFF	#000000	##000000
##669BEE	1.00	2.80	7.49	7.49
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A1F1

Deuteranopia (green-blind)

#6794EC

Tritanopia (blue-blind)

#00AEB9

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669bee;
/* rgb */ color: rgb(102, 155, 238);
/* oklch */ color: oklch(68.9% 0.136 259.1);

Tailwind

colors: {
  custom: {
    50: '#9bb8f4',
    500: '#669bee',
    950: '#000000',
  },
}

SCSS

$custom: #669bee;
$custom-light: #9bb8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#669bee",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 238
  },
  "hsl": {
    "h": 216.618,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.68885,
    "c": 0.13552,
    "h": 259.1
  },
  "luminance": 0.32441
}

Semantic roles & 50–950 ramp

primary

#669BEE

secondary

#EEDDC2

accent

#8A09DC

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669BEE

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

Preview Lab → · Contrast checker → · Palette generator →