#669CDA#669CDA

#669CDA is a light, moderate cyan. Relative luminance 0.317; OKLCH L 68.1% C 0.109 H 252.8°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#669CDA
RGB	rgb(102, 156, 218)
HSL	hsl(212, 61%, 63%)
HSV	hsv(212, 53%, 85%)
CMYK	cmyk(53.2%, 28.4%, 0%, 14.5%)
CIE-LAB	lab(63.06, -0.28, -36.99)
CIE-LCH	lch(63.06, 36.99, 269.56°)
OKLab	oklab(68.08% -0.0322 -0.1039)
OKLCH	oklch(68.08% 0.109 252.8)
XYZ	xyz(30.0184, 31.6613, 70.8454)
Luminance	0.3166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CDA #DAA466

analogous

#66D6DA #669CDA #6A66DA

triadic

#669CDA #DA669C #9CDA66

tetradic

#669CDA #DA66D6 #DAA466 #66DA6A

square

#669CDA #DA66D6 #DAA466 #66DA6A

split-complementary

#669CDA #DA6A66 #D6DA66

monochromatic

#265F9F #357CCE #669CDA #97BCE6 #C9DCF2

Accessibility & contrast

On white

2.86

#669CDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#669CDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CDA

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CDA	#FFFFFF	#000000	##000000
##669CDA	1.00	2.86	7.33	7.33
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839FDD

Deuteranopia (green-blind)

#7494D9

Tritanopia (blue-blind)

#22AAB2

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669cda;
/* rgb */ color: rgb(102, 156, 218);
/* oklch */ color: oklch(68.1% 0.109 252.8);

Tailwind

colors: {
  custom: {
    50: '#99b9e5',
    500: '#669cda',
    950: '#000000',
  },
}

SCSS

$custom: #669cda;
$custom-light: #99b9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#669cda",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 218
  },
  "hsl": {
    "h": 212.069,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.68083,
    "c": 0.10875,
    "h": 252.8
  },
  "luminance": 0.31664
}

Semantic roles & 50–950 ramp

primary

#669CDA

secondary

#E3CFB9

accent

#791DC9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669CDA

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

Preview Lab → · Contrast checker → · Palette generator →