#669BBF#669BBF

#669BBF is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.6% C 0.078 H 239.2°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#669BBF
RGB	rgb(102, 155, 191)
HSL	hsl(204, 41%, 57%)
HSV	hsv(204, 47%, 75%)
CMYK	cmyk(46.6%, 18.8%, 0%, 25.1%)
CIE-LAB	lab(61.68, -7.76, -24.06)
CIE-LCH	lch(61.68, 25.28, 252.13°)
OKLab	oklab(66.63% -0.0398 -0.0668)
OKLCH	oklch(66.63% 0.078 239.2)
XYZ	xyz(26.6015, 30.0272, 53.6742)
Luminance	0.3003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BBF #BF8A66

analogous

#66BFB7 #669BBF #666EBF

triadic

#669BBF #BF669B #9BBF66

tetradic

#669BBF #B766BF #BF8A66 #6EBF66

square

#669BBF #B766BF #BF8A66 #6EBF66

split-complementary

#669BBF #BF666E #BFB766

monochromatic

#325C78 #447DA3 #669BBF #91B7D1 #BCD3E3

Accessibility & contrast

On white

3.00

#669BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.01

#669BBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BBF

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BBF	#FFFFFF	#000000	##000000
##669BBF	1.00	3.00	7.01	7.01
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.01	21.00	1.00	1.00
##000000	7.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9AC1

Deuteranopia (green-blind)

#7F91BE

Tritanopia (blue-blind)

#3EA4A7

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #669bbf;
/* rgb */ color: rgb(102, 155, 191);
/* oklch */ color: oklch(66.6% 0.078 239.2);

Tailwind

colors: {
  custom: {
    50: '#96b8d2',
    500: '#669bbf',
    950: '#000000',
  },
}

SCSS

$custom: #669bbf;
$custom-light: #96b8d2;
$custom-dark: #000000;

JSON

{
  "hex": "#669bbf",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 191
  },
  "hsl": {
    "h": 204.27,
    "s": 41.014,
    "l": 57.451
  },
  "oklch": {
    "l": 0.6663,
    "c": 0.07777,
    "h": 239.2
  },
  "luminance": 0.30029
}

Semantic roles & 50–950 ramp

primary

#669BBF

secondary

#D2BDAE

accent

#8857D1

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1114

muted

#7E8082

Preview Lab

Preview with #669BBF

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

Preview Lab → · Contrast checker → · Palette generator →