#669CCE#669CCE

#669CCE is a light, moderate cyan. Relative luminance 0.311; OKLCH L 67.5% C 0.094 H 247.5°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#669CCE
RGB	rgb(102, 156, 206)
HSL	hsl(209, 51%, 60%)
HSV	hsv(209, 50%, 81%)
CMYK	cmyk(50.5%, 24.3%, 0%, 19.2%)
CIE-LAB	lab(62.55, -3.92, -31.11)
CIE-LCH	lch(62.55, 31.35, 262.82°)
OKLab	oklab(67.52% -0.0359 -0.0869)
OKLCH	oklch(67.52% 0.094 247.5)
XYZ	xyz(28.5046, 31.0558, 62.8728)
Luminance	0.3106 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CCE #CE9866

analogous

#66CECC #669CCE #6668CE

triadic

#669CCE #CE669C #9CCE66

tetradic

#669CCE #CC66CE #CE9866 #68CE66

square

#669CCE #CC66CE #CE9866 #68CE66

split-complementary

#669CCE #CE6668 #CECC66

monochromatic

#2D5F8D #3C7EBB #669CCE #94BADD #C3D8EC

Accessibility & contrast

On white

2.91

#669CCE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#669CCE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CCE

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CCE	#FFFFFF	#000000	##000000
##669CCE	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879DD0

Deuteranopia (green-blind)

#7A93CD

Tritanopia (blue-blind)

#31A8AD

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #669cce;
/* rgb */ color: rgb(102, 156, 206);
/* oklch */ color: oklch(67.5% 0.094 247.5);

Tailwind

colors: {
  custom: {
    50: '#98b9dd',
    500: '#669cce',
    950: '#000000',
  },
}

SCSS

$custom: #669cce;
$custom-light: #98b9dd;
$custom-dark: #000000;

JSON

{
  "hex": "#669cce",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 206
  },
  "hsl": {
    "h": 208.846,
    "s": 51.485,
    "l": 60.392
  },
  "oklch": {
    "l": 0.67518,
    "c": 0.09405,
    "h": 247.5
  },
  "luminance": 0.31058
}

Semantic roles & 50–950 ramp

primary

#669CCE

secondary

#DCC7B4

accent

#7027BF

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669CCE

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

Preview Lab → · Contrast checker → · Palette generator →