#669BB7#669BB7

#669BB7 is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.3% C 0.070 H 232.3°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#669BB7
RGB	rgb(102, 155, 183)
HSL	hsl(201, 36%, 56%)
HSV	hsv(201, 44%, 72%)
CMYK	cmyk(44.3%, 15.3%, 0%, 28.2%)
CIE-LAB	lab(61.38, -10.03, -20.02)
CIE-LCH	lch(61.38, 22.39, 243.39°)
OKLab	oklab(66.3% -0.0428 -0.0553)
OKLCH	oklch(66.3% 0.07 232.3)
XYZ	xyz(25.7451, 29.6846, 49.1636)
Luminance	0.2969 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BB7 #B78266

analogous

#66B7AA #669BB7 #6672B7

triadic

#669BB7 #B7669B #9BB766

tetradic

#669BB7 #AA66B7 #B78266 #72B766

square

#669BB7 #AA66B7 #B78266 #72B766

split-complementary

#669BB7 #B76672 #B7AA66

monochromatic

#345A6F #487C98 #669BB7 #90B6CB #B9D1DE

Accessibility & contrast

On white

3.03

#669BB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#669BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669BB7

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BB7	#FFFFFF	#000000	##000000
##669BB7	1.00	3.03	6.94	6.94
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D99B8

Deuteranopia (green-blind)

#8290B7

Tritanopia (blue-blind)

#44A3A4

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #669bb7;
/* rgb */ color: rgb(102, 155, 183);
/* oklch */ color: oklch(66.3% 0.070 232.3);

Tailwind

colors: {
  custom: {
    50: '#96b8cc',
    500: '#669bb7',
    950: '#000000',
  },
}

SCSS

$custom: #669bb7;
$custom-light: #96b8cc;
$custom-dark: #000000;

JSON

{
  "hex": "#669bb7",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 183
  },
  "hsl": {
    "h": 200.741,
    "s": 36,
    "l": 55.882
  },
  "oklch": {
    "l": 0.66297,
    "c": 0.06994,
    "h": 232.3
  },
  "luminance": 0.29686
}

Semantic roles & 50–950 ramp

primary

#669BB7

secondary

#CDB7AC

accent

#835CCC

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669BB7

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

Preview Lab → · Contrast checker → · Palette generator →