#669FC9#669FC9

#669FC9 is a light, moderate cyan. Relative luminance 0.318; OKLCH L 68.0% C 0.086 H 241.6°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#669FC9
RGB	rgb(102, 159, 201)
HSL	hsl(205, 48%, 59%)
HSV	hsv(205, 49%, 79%)
CMYK	cmyk(49.3%, 20.9%, 0%, 21.2%)
CIE-LAB	lab(63.21, -7.08, -27.31)
CIE-LCH	lch(63.21, 28.21, 255.47°)
OKLab	oklab(67.97% -0.0411 -0.076)
OKLCH	oklch(67.97% 0.086 241.6)
XYZ	xyz(28.4165, 31.8360, 59.8945)
Luminance	0.3184 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FC9 #C99066

analogous

#66C9C2 #669FC9 #666EC9

triadic

#669FC9 #C9669F #9FC966

tetradic

#669FC9 #C266C9 #C99066 #6EC966

square

#669FC9 #C266C9 #C99066 #6EC966

split-complementary

#669FC9 #C9666E #C9C266

monochromatic

#2F6185 #3F82B3 #669FC9 #93BBD9 #C0D8E9

Accessibility & contrast

On white

2.85

#669FC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#669FC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FC9

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FC9	#FFFFFF	#000000	##000000
##669FC9	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9FCB

Deuteranopia (green-blind)

#8094C8

Tritanopia (blue-blind)

#35A9AD

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669fc9;
/* rgb */ color: rgb(102, 159, 201);
/* oklch */ color: oklch(68.0% 0.086 241.6);

Tailwind

colors: {
  custom: {
    50: '#97bbd9',
    500: '#669fc9',
    950: '#000000',
  },
}

SCSS

$custom: #669fc9;
$custom-light: #97bbd9;
$custom-dark: #000000;

JSON

{
  "hex": "#669fc9",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 201
  },
  "hsl": {
    "h": 205.455,
    "s": 47.826,
    "l": 59.412
  },
  "oklch": {
    "l": 0.67966,
    "c": 0.08645,
    "h": 241.6
  },
  "luminance": 0.31838
}

Semantic roles & 50–950 ramp

primary

#669FC9

secondary

#D9C2B2

accent

#8A50D7

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1114

muted

#7E8083

Preview Lab

Preview with #669FC9

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

Preview Lab → · Contrast checker → · Palette generator →