#669BBE#669BBE

#669BBE is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.6% C 0.077 H 238.4°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#669BBE
RGB	rgb(102, 155, 190)
HSL	hsl(204, 40%, 57%)
HSV	hsv(204, 46%, 75%)
CMYK	cmyk(46.3%, 18.4%, 0%, 25.5%)
CIE-LAB	lab(61.64, -8.05, -23.56)
CIE-LCH	lch(61.64, 24.90, 251.15°)
OKLab	oklab(66.59% -0.0402 -0.0654)
OKLCH	oklch(66.59% 0.077 238.4)
XYZ	xyz(26.4918, 29.9833, 53.0966)
Luminance	0.2999 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BBE #BE8966

analogous

#66BEB5 #669BBE #666FBE

triadic

#669BBE #BE669B #9BBE66

tetradic

#669BBE #B566BE #BE8966 #6FBE66

square

#669BBE #B566BE #BE8966 #6FBE66

split-complementary

#669BBE #BE666F #BEB566

monochromatic

#335C77 #457DA2 #669BBE #91B7D0 #BCD3E2

Accessibility & contrast

On white

3.00

#669BBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.00

#669BBE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BBE

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BBE	#FFFFFF	#000000	##000000
##669BBE	1.00	3.00	7.00	7.00
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.00	21.00	1.00	1.00
##000000	7.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9AC0

Deuteranopia (green-blind)

#7F91BD

Tritanopia (blue-blind)

#3FA4A6

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #669bbe;
/* rgb */ color: rgb(102, 155, 190);
/* oklch */ color: oklch(66.6% 0.077 238.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#669bbe",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 190
  },
  "hsl": {
    "h": 203.864,
    "s": 40.367,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66587,
    "c": 0.07673,
    "h": 238.4
  },
  "luminance": 0.29985
}

Semantic roles & 50–950 ramp

primary

#669BBE

secondary

#D2BCAE

accent

#8858D0

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1114

muted

#7E8082

Preview Lab

Preview with #669BBE

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

Preview Lab → · Contrast checker → · Palette generator →