#669CBA#669CBA

#669CBA is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.6% C 0.072 H 233.7°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#669CBA
RGB	rgb(102, 156, 186)
HSL	hsl(201, 38%, 56%)
HSV	hsv(201, 45%, 73%)
CMYK	cmyk(45.2%, 16.1%, 0%, 27.1%)
CIE-LAB	lab(61.78, -9.73, -21.10)
CIE-LCH	lch(61.78, 23.24, 245.23°)
OKLab	oklab(66.65% -0.0429 -0.0584)
OKLCH	oklch(66.65% 0.072 233.7)
XYZ	xyz(26.2278, 30.1450, 50.8814)
Luminance	0.3015 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CBA #BA8466

analogous

#66BAAE #669CBA #6672BA

triadic

#669CBA #BA669C #9CBA66

tetradic

#669CBA #AE66BA #BA8466 #72BA66

square

#669CBA #AE66BA #BA8466 #72BA66

split-complementary

#669CBA #BA6672 #BAAE66

monochromatic

#335C72 #467E9C #669CBA #90B7CD #BAD3E0

Accessibility & contrast

On white

2.99

#669CBA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#669CBA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CBA

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CBA	#FFFFFF	#000000	##000000
##669CBA	1.00	2.99	7.03	7.03
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.03	21.00	1.00	1.00
##000000	7.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9ABC

Deuteranopia (green-blind)

#8291BA

Tritanopia (blue-blind)

#41A4A6

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #669cba;
/* rgb */ color: rgb(102, 156, 186);
/* oklch */ color: oklch(66.6% 0.072 233.7);

Tailwind

colors: {
  custom: {
    50: '#96b9ce',
    500: '#669cba',
    950: '#000000',
  },
}

SCSS

$custom: #669cba;
$custom-light: #96b9ce;
$custom-dark: #000000;

JSON

{
  "hex": "#669cba",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 186
  },
  "hsl": {
    "h": 201.429,
    "s": 37.838,
    "l": 56.471
  },
  "oklch": {
    "l": 0.66648,
    "c": 0.07245,
    "h": 233.7
  },
  "luminance": 0.30147
}

Semantic roles & 50–950 ramp

primary

#669CBA

secondary

#CFB9AD

accent

#835ACE

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669CBA

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

Preview Lab → · Contrast checker → · Palette generator →