#669DAD#669DAD

#669DAD is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.4% C 0.062 H 218.1°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#669DAD
RGB	rgb(102, 157, 173)
HSL	hsl(194, 30%, 54%)
HSV	hsv(194, 41%, 68%)
CMYK	cmyk(41%, 9.2%, 0%, 32.2%)
CIE-LAB	lab(61.61, -13.86, -14.03)
CIE-LCH	lch(61.61, 19.72, 225.35°)
OKLab	oklab(66.37% -0.0491 -0.0386)
OKLCH	oklch(66.37% 0.062 218.1)
XYZ	xyz(25.0766, 29.9542, 43.9874)
Luminance	0.2996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DAD #AD7666

analogous

#66AD9A #669DAD #667AAD

triadic

#669DAD #AD669D #9DAD66

tetradic

#669DAD #9A66AD #AD7666 #7AAD66

square

#669DAD #9A66AD #AD7666 #7AAD66

split-complementary

#669DAD #AD667A #AD9A66

monochromatic

#355963 #4B7D8B #669DAD #8EB7C2 #B6D0D8

Accessibility & contrast

On white

3.00

#669DAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.99

#669DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669DAD

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DAD	#FFFFFF	#000000	##000000
##669DAD	1.00	3.00	6.99	6.99
#FFFFFF	3.00	1.00	21.00	21.00
#000000	6.99	21.00	1.00	1.00
##000000	6.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929AAE

Deuteranopia (green-blind)

#8791AD

Tritanopia (blue-blind)

#49A3A2

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #669dad;
/* rgb */ color: rgb(102, 157, 173);
/* oklch */ color: oklch(66.4% 0.062 218.1);

Tailwind

colors: {
  custom: {
    50: '#95bac5',
    500: '#669dad',
    950: '#000000',
  },
}

SCSS

$custom: #669dad;
$custom-light: #95bac5;
$custom-dark: #000000;

JSON

{
  "hex": "#669dad",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 173
  },
  "hsl": {
    "h": 193.521,
    "s": 30.213,
    "l": 53.922
  },
  "oklch": {
    "l": 0.66367,
    "c": 0.06247,
    "h": 218.1
  },
  "luminance": 0.29956
}

Semantic roles & 50–950 ramp

primary

#669DAD

secondary

#C7AFA8

accent

#7861C6

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0D1112

muted

#7E8081

Preview Lab

Preview with #669DAD

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

Preview Lab → · Contrast checker → · Palette generator →