#669FD8#669FD8

#669FD8 is a light, moderate cyan. Relative luminance 0.326; OKLCH L 68.6% C 0.104 H 249.6°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#669FD8
RGB	rgb(102, 159, 216)
HSL	hsl(210, 59%, 62%)
HSV	hsv(210, 53%, 85%)
CMYK	cmyk(52.8%, 26.4%, 0%, 15.3%)
CIE-LAB	lab(63.82, -2.59, -34.71)
CIE-LCH	lch(63.82, 34.80, 265.73°)
OKLab	oklab(68.65% -0.0363 -0.0973)
OKLCH	oklch(68.65% 0.104 249.6)
XYZ	xyz(30.2679, 32.5765, 69.6453)
Luminance	0.3258 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FD8 #D89F66

analogous

#66D8D8 #669FD8 #6666D8

triadic

#669FD8 #D8669F #9FD866

tetradic

#669FD8 #D866D8 #D89F66 #66D866

square

#669FD8 #D866D8 #D89F66 #66D866

split-complementary

#669FD8 #D86666 #D8D866

monochromatic

#28629C #3580CC #669FD8 #97BEE4 #C8DCF1

Accessibility & contrast

On white

2.79

#669FD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#669FD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FD8

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FD8	#FFFFFF	#000000	##000000
##669FD8	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88A1DB

Deuteranopia (green-blind)

#7996D7

Tritanopia (blue-blind)

#24ACB3

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669fd8;
/* rgb */ color: rgb(102, 159, 216);
/* oklch */ color: oklch(68.6% 0.104 249.6);

Tailwind

colors: {
  custom: {
    50: '#99bbe4',
    500: '#669fd8',
    950: '#000000',
  },
}

SCSS

$custom: #669fd8;
$custom-light: #99bbe4;
$custom-dark: #000000;

JSON

{
  "hex": "#669fd8",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 216
  },
  "hsl": {
    "h": 210,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.68648,
    "c": 0.1038,
    "h": 249.6
  },
  "luminance": 0.32579
}

Semantic roles & 50–950 ramp

primary

#669FD8

secondary

#E2CDB8

accent

#731EC7

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669FD8

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

Preview Lab → · Contrast checker → · Palette generator →