#669BB2#669BB2

#669BB2 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.1% C 0.066 H 227.2°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#669BB2
RGB	rgb(102, 155, 178)
HSL	hsl(198, 33%, 55%)
HSV	hsv(198, 43%, 70%)
CMYK	cmyk(42.7%, 12.9%, 0%, 30.2%)
CIE-LAB	lab(61.20, -11.42, -17.47)
CIE-LCH	lch(61.20, 20.87, 236.84°)
OKLab	oklab(66.1% -0.0447 -0.0482)
OKLCH	oklch(66.1% 0.066 227.2)
XYZ	xyz(25.2339, 29.4801, 46.4714)
Luminance	0.2948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BB2 #B27D66

analogous

#66B2A3 #669BB2 #6675B2

triadic

#669BB2 #B2669B #9BB266

tetradic

#669BB2 #A366B2 #B27D66 #75B266

square

#669BB2 #A366B2 #B27D66 #75B266

split-complementary

#669BB2 #B26675 #B2A366

monochromatic

#355969 #497C92 #669BB2 #8FB6C6 #B7D0DB

Accessibility & contrast

On white

3.05

#669BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#669BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669BB2

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BB2	#FFFFFF	#000000	##000000
##669BB2	1.00	3.05	6.90	6.90
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F99B3

Deuteranopia (green-blind)

#8490B2

Tritanopia (blue-blind)

#46A2A2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #669bb2;
/* rgb */ color: rgb(102, 155, 178);
/* oklch */ color: oklch(66.1% 0.066 227.2);

Tailwind

colors: {
  custom: {
    50: '#95b8c9',
    500: '#669bb2',
    950: '#000000',
  },
}

SCSS

$custom: #669bb2;
$custom-light: #95b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#669bb2",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 178
  },
  "hsl": {
    "h": 198.158,
    "s": 33.043,
    "l": 54.902
  },
  "oklch": {
    "l": 0.66096,
    "c": 0.0657,
    "h": 227.2
  },
  "luminance": 0.29482
}

Semantic roles & 50–950 ramp

primary

#669BB2

secondary

#CAB4AA

accent

#7F5FC9

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669BB2

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

Preview Lab → · Contrast checker → · Palette generator →