#669BBD#669BBD

#669BBD is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.5% C 0.076 H 237.6°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#669BBD
RGB	rgb(102, 155, 189)
HSL	hsl(203, 40%, 57%)
HSV	hsv(203, 46%, 74%)
CMYK	cmyk(46%, 18%, 0%, 25.9%)
CIE-LAB	lab(61.60, -8.33, -23.06)
CIE-LCH	lch(61.60, 24.52, 250.13°)
OKLab	oklab(66.55% -0.0405 -0.0639)
OKLCH	oklch(66.55% 0.076 237.6)
XYZ	xyz(26.3829, 29.9397, 52.5229)
Luminance	0.2994 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BBD #BD8866

analogous

#66BDB3 #669BBD #6670BD

triadic

#669BBD #BD669B #9BBD66

tetradic

#669BBD #B366BD #BD8866 #70BD66

square

#669BBD #B366BD #BD8866 #70BD66

split-complementary

#669BBD #BD6670 #BDB366

monochromatic

#335C76 #457DA1 #669BBD #91B7CF #BCD3E2

Accessibility & contrast

On white

3.00

#669BBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.99

#669BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669BBD

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BBD	#FFFFFF	#000000	##000000
##669BBD	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)

#8C9ABF

Deuteranopia (green-blind)

#8091BC

Tritanopia (blue-blind)

#40A4A6

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #669bbd;
/* rgb */ color: rgb(102, 155, 189);
/* oklch */ color: oklch(66.5% 0.076 237.6);

Tailwind

colors: {
  custom: {
    50: '#96b8d1',
    500: '#669bbd',
    950: '#000000',
  },
}

SCSS

$custom: #669bbd;
$custom-light: #96b8d1;
$custom-dark: #000000;

JSON

{
  "hex": "#669bbd",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 189
  },
  "hsl": {
    "h": 203.448,
    "s": 39.726,
    "l": 57.059
  },
  "oklch": {
    "l": 0.66545,
    "c": 0.07571,
    "h": 237.6
  },
  "luminance": 0.29942
}

Semantic roles & 50–950 ramp

primary

#669BBD

secondary

#D1BCAE

accent

#8758D0

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1114

muted

#7E8082

Preview Lab

Preview with #669BBD

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

Preview Lab → · Contrast checker → · Palette generator →