#669CCF#669CCF

#669CCF is a light, moderate cyan. Relative luminance 0.311; OKLCH L 67.6% C 0.095 H 248.0°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#669CCF
RGB	rgb(102, 156, 207)
HSL	hsl(209, 52%, 61%)
HSV	hsv(209, 51%, 81%)
CMYK	cmyk(50.7%, 24.6%, 0%, 18.8%)
CIE-LAB	lab(62.60, -3.62, -31.60)
CIE-LCH	lch(62.60, 31.81, 263.47°)
OKLab	oklab(67.56% -0.0356 -0.0883)
OKLCH	oklch(67.56% 0.095 248)
XYZ	xyz(28.6265, 31.1045, 63.5147)
Luminance	0.3111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CCF #CF9966

analogous

#66CFCE #669CCF #6667CF

triadic

#669CCF #CF669C #9CCF66

tetradic

#669CCF #CE66CF #CF9966 #67CF66

square

#669CCF #CE66CF #CF9966 #67CF66

split-complementary

#669CCF #CF6667 #CFCE66

monochromatic

#2D5F8E #3B7EBD #669CCF #95BADE #C3D8EC

Accessibility & contrast

On white

2.91

#669CCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#669CCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CCF

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CCF	#FFFFFF	#000000	##000000
##669CCF	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879DD1

Deuteranopia (green-blind)

#7993CE

Tritanopia (blue-blind)

#30A8AD

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #669ccf;
/* rgb */ color: rgb(102, 156, 207);
/* oklch */ color: oklch(67.6% 0.095 248.0);

Tailwind

colors: {
  custom: {
    50: '#98b9de',
    500: '#669ccf',
    950: '#000000',
  },
}

SCSS

$custom: #669ccf;
$custom-light: #98b9de;
$custom-dark: #000000;

JSON

{
  "hex": "#669ccf",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 207
  },
  "hsl": {
    "h": 209.143,
    "s": 52.239,
    "l": 60.588
  },
  "oklch": {
    "l": 0.67563,
    "c": 0.09523,
    "h": 248
  },
  "luminance": 0.31107
}

Semantic roles & 50–950 ramp

primary

#669CCF

secondary

#DCC8B4

accent

#7126C0

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669CCF

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

Preview Lab → · Contrast checker → · Palette generator →