#669CBF#669CBF

#669CBF is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.9% C 0.077 H 237.9°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#669CBF
RGB	rgb(102, 156, 191)
HSL	hsl(204, 41%, 57%)
HSV	hsv(204, 47%, 75%)
CMYK	cmyk(46.6%, 18.3%, 0%, 25.1%)
CIE-LAB	lab(61.96, -8.31, -23.62)
CIE-LCH	lch(61.96, 25.04, 250.61°)
OKLab	oklab(66.86% -0.0411 -0.0655)
OKLCH	oklch(66.86% 0.077 237.9)
XYZ	xyz(26.7686, 30.3614, 53.7299)
Luminance	0.3036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CBF #BF8966

analogous

#66BFB6 #669CBF #666FBF

triadic

#669CBF #BF669C #9CBF66

tetradic

#669CBF #B666BF #BF8966 #6FBF66

square

#669CBF #B666BF #BF8966 #6FBF66

split-complementary

#669CBF #BF666F #BFB666

monochromatic

#325D78 #447EA3 #669CBF #91B8D1 #BCD4E3

Accessibility & contrast

On white

2.97

#669CBF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#669CBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CBF

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CBF	#FFFFFF	#000000	##000000
##669CBF	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9BC1

Deuteranopia (green-blind)

#8092BE

Tritanopia (blue-blind)

#3EA5A7

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #669cbf;
/* rgb */ color: rgb(102, 156, 191);
/* oklch */ color: oklch(66.9% 0.077 237.9);

Tailwind

colors: {
  custom: {
    50: '#96b9d2',
    500: '#669cbf',
    950: '#000000',
  },
}

SCSS

$custom: #669cbf;
$custom-light: #96b9d2;
$custom-dark: #000000;

JSON

{
  "hex": "#669cbf",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 191
  },
  "hsl": {
    "h": 203.596,
    "s": 41.014,
    "l": 57.451
  },
  "oklch": {
    "l": 0.66857,
    "c": 0.07734,
    "h": 237.9
  },
  "luminance": 0.30363
}

Semantic roles & 50–950 ramp

primary

#669CBF

secondary

#D2BDAE

accent

#8757D1

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1114

muted

#7E8082

Preview Lab

Preview with #669CBF

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

Preview Lab → · Contrast checker → · Palette generator →