#669FD9#669FD9

#669FD9 is a light, moderate cyan. Relative luminance 0.326; OKLCH L 68.7% C 0.105 H 250.0°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#669FD9
RGB	rgb(102, 159, 217)
HSL	hsl(210, 60%, 63%)
HSV	hsv(210, 53%, 85%)
CMYK	cmyk(53%, 26.7%, 0%, 14.9%)
CIE-LAB	lab(63.86, -2.29, -35.20)
CIE-LCH	lch(63.86, 35.27, 266.28°)
OKLab	oklab(68.69% -0.0359 -0.0987)
OKLCH	oklch(68.69% 0.105 250)
XYZ	xyz(30.3976, 32.6284, 70.3282)
Luminance	0.3263 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FD9 #D9A066

analogous

#66D8D9 #669FD9 #6766D9

triadic

#669FD9 #D9669F #9FD966

tetradic

#669FD9 #D966D8 #D9A066 #66D967

square

#669FD9 #D966D8 #D9A066 #66D967

split-complementary

#669FD9 #D96766 #D8D966

monochromatic

#27629D #3580CD #669FD9 #97BEE5 #C8DDF1

Accessibility & contrast

On white

2.79

#669FD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.53

#669FD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FD9

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FD9	#FFFFFF	#000000	##000000
##669FD9	1.00	2.79	7.53	7.53
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.53	21.00	1.00	1.00
##000000	7.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A1DC

Deuteranopia (green-blind)

#7896D8

Tritanopia (blue-blind)

#22ACB3

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669fd9;
/* rgb */ color: rgb(102, 159, 217);
/* oklch */ color: oklch(68.7% 0.105 250.0);

Tailwind

colors: {
  custom: {
    50: '#99bbe5',
    500: '#669fd9',
    950: '#000000',
  },
}

SCSS

$custom: #669fd9;
$custom-light: #99bbe5;
$custom-dark: #000000;

JSON

{
  "hex": "#669fd9",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 217
  },
  "hsl": {
    "h": 210.261,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.68695,
    "c": 0.10502,
    "h": 250
  },
  "luminance": 0.32631
}

Semantic roles & 50–950 ramp

primary

#669FD9

secondary

#E2CEB8

accent

#731EC8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1115

muted

#7E8084

Preview Lab

Preview with #669FD9

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

Preview Lab → · Contrast checker → · Palette generator →