#669CEE#669CEE

#669CEE is a light, vivid blue. Relative luminance 0.328; OKLCH L 69.1% C 0.134 H 258.5°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#669CEE
RGB	rgb(102, 156, 238)
HSL	hsl(216, 80%, 67%)
HSV	hsv(216, 57%, 93%)
CMYK	cmyk(57.1%, 34.5%, 0%, 6.7%)
CIE-LAB	lab(63.98, 5.97, -46.60)
CIE-LCH	lch(63.98, 46.98, 277.30°)
OKLab	oklab(69.1% -0.0268 -0.1318)
OKLCH	oklch(69.1% 0.134 258.5)
XYZ	xyz(32.7952, 32.7720, 85.4697)
Luminance	0.3277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CEE #EEB866

analogous

#66E0EE #669CEE #7466EE

triadic

#669CEE #EE669C #9CEE66

tetradic

#669CEE #EE66E0 #EEB866 #66EE74

square

#669CEE #EE66E0 #EEB866 #66EE74

split-complementary

#669CEE #EE7466 #E0EE66

monochromatic

#165BC4 #2F78E8 #669CEE #9DC0F4 #D4E3FA

Accessibility & contrast

On white

2.78

#669CEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#669CEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CEE

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CEE	#FFFFFF	#000000	##000000
##669CEE	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA2F1

Deuteranopia (green-blind)

#6995EC

Tritanopia (blue-blind)

#00AEBA

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669cee;
/* rgb */ color: rgb(102, 156, 238);
/* oklch */ color: oklch(69.1% 0.134 258.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#669cee",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 238
  },
  "hsl": {
    "h": 216.176,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.69098,
    "c": 0.13448,
    "h": 258.5
  },
  "luminance": 0.32775
}

Semantic roles & 50–950 ramp

primary

#669CEE

secondary

#EEDCC2

accent

#8809DC

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669CEE

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

Preview Lab → · Contrast checker → · Palette generator →