#669CAF#669CAF

#669CAF is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.2% C 0.064 H 222.2°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#669CAF
RGB	rgb(102, 156, 175)
HSL	hsl(196, 31%, 54%)
HSV	hsv(196, 42%, 69%)
CMYK	cmyk(41.7%, 10.9%, 0%, 31.4%)
CIE-LAB	lab(61.39, -12.78, -15.50)
CIE-LCH	lch(61.39, 20.09, 230.49°)
OKLab	oklab(66.21% -0.0471 -0.0427)
OKLCH	oklch(66.21% 0.064 222.2)
XYZ	xyz(25.1031, 29.6952, 44.9581)
Luminance	0.2970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CAF #AF7966

analogous

#66AF9D #669CAF #6678AF

triadic

#669CAF #AF669C #9CAF66

tetradic

#669CAF #9D66AF #AF7966 #78AF66

square

#669CAF #9D66AF #AF7966 #78AF66

split-complementary

#669CAF #AF6678 #AF9D66

monochromatic

#355966 #4A7C8E #669CAF #8EB6C4 #B6D0D9

Accessibility & contrast

On white

3.03

#669CAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#669CAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669CAF

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CAF	#FFFFFF	#000000	##000000
##669CAF	1.00	3.03	6.94	6.94
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9199B0

Deuteranopia (green-blind)

#8691AF

Tritanopia (blue-blind)

#48A2A2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #669caf;
/* rgb */ color: rgb(102, 156, 175);
/* oklch */ color: oklch(66.2% 0.064 222.2);

Tailwind

colors: {
  custom: {
    50: '#95b9c6',
    500: '#669caf',
    950: '#000000',
  },
}

SCSS

$custom: #669caf;
$custom-light: #95b9c6;
$custom-dark: #000000;

JSON

{
  "hex": "#669caf",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 175
  },
  "hsl": {
    "h": 195.616,
    "s": 31.33,
    "l": 54.314
  },
  "oklch": {
    "l": 0.66211,
    "c": 0.06353,
    "h": 222.2
  },
  "luminance": 0.29697
}

Semantic roles & 50–950 ramp

primary

#669CAF

secondary

#C8B1A9

accent

#7B60C8

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #669CAF

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

Preview Lab → · Contrast checker → · Palette generator →