#669CB2#669CB2

#669CB2 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.3% C 0.066 H 225.6°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#669CB2
RGB	rgb(102, 156, 178)
HSL	hsl(197, 33%, 55%)
HSV	hsv(197, 43%, 70%)
CMYK	cmyk(42.7%, 12.4%, 0%, 30.2%)
CIE-LAB	lab(61.49, -11.96, -17.03)
CIE-LCH	lch(61.49, 20.81, 234.92°)
OKLab	oklab(66.33% -0.0459 -0.0469)
OKLCH	oklch(66.33% 0.066 225.6)
XYZ	xyz(25.4010, 29.8143, 46.5271)
Luminance	0.2982 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CB2 #B27C66

analogous

#66B2A2 #669CB2 #6676B2

triadic

#669CB2 #B2669C #9CB266

tetradic

#669CB2 #A266B2 #B27C66 #76B266

square

#669CB2 #A266B2 #B27C66 #76B266

split-complementary

#669CB2 #B26676 #B2A266

monochromatic

#355A69 #497D92 #669CB2 #8FB6C6 #B7D1DB

Accessibility & contrast

On white

3.02

#669CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#669CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669CB2

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CB2	#FFFFFF	#000000	##000000
##669CB2	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9099B3

Deuteranopia (green-blind)

#8591B2

Tritanopia (blue-blind)

#46A3A3

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #669cb2;
/* rgb */ color: rgb(102, 156, 178);
/* oklch */ color: oklch(66.3% 0.066 225.6);

Tailwind

colors: {
  custom: {
    50: '#95b9c9',
    500: '#669cb2',
    950: '#000000',
  },
}

SCSS

$custom: #669cb2;
$custom-light: #95b9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#669cb2",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 178
  },
  "hsl": {
    "h": 197.368,
    "s": 33.043,
    "l": 54.902
  },
  "oklch": {
    "l": 0.66327,
    "c": 0.06567,
    "h": 225.6
  },
  "luminance": 0.29816
}

Semantic roles & 50–950 ramp

primary

#669CB2

secondary

#CAB3AA

accent

#7D5FC9

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669CB2

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

Preview Lab → · Contrast checker → · Palette generator →