#669FCF#669FCF

#669FCF is a light, moderate cyan. Relative luminance 0.321; OKLCH L 68.2% C 0.093 H 245.2°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#669FCF
RGB	rgb(102, 159, 207)
HSL	hsl(207, 52%, 61%)
HSV	hsv(207, 51%, 81%)
CMYK	cmyk(50.7%, 23.2%, 0%, 18.8%)
CIE-LAB	lab(63.45, -5.30, -30.28)
CIE-LCH	lch(63.45, 30.74, 260.07°)
OKLab	oklab(68.23% -0.0391 -0.0845)
OKLCH	oklch(68.23% 0.093 245.2)
XYZ	xyz(29.1361, 32.1238, 63.6845)
Luminance	0.3213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FCF #CF9666

analogous

#66CFCB #669FCF #666ACF

triadic

#669FCF #CF669F #9FCF66

tetradic

#669FCF #CB66CF #CF9666 #6ACF66

square

#669FCF #CB66CF #CF9666 #6ACF66

split-complementary

#669FCF #CF666A #CFCB66

monochromatic

#2D618E #3B81BD #669FCF #95BCDE #C3D9EC

Accessibility & contrast

On white

2.83

#669FCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#669FCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FCF

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FCF	#FFFFFF	#000000	##000000
##669FCF	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BA0D1

Deuteranopia (green-blind)

#7D95CE

Tritanopia (blue-blind)

#2FAAAF

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669fcf;
/* rgb */ color: rgb(102, 159, 207);
/* oklch */ color: oklch(68.2% 0.093 245.2);

Tailwind

colors: {
  custom: {
    50: '#98bbdd',
    500: '#669fcf',
    950: '#000000',
  },
}

SCSS

$custom: #669fcf;
$custom-light: #98bbdd;
$custom-dark: #000000;

JSON

{
  "hex": "#669fcf",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 207
  },
  "hsl": {
    "h": 207.429,
    "s": 52.239,
    "l": 60.588
  },
  "oklch": {
    "l": 0.68233,
    "c": 0.09316,
    "h": 245.2
  },
  "luminance": 0.32126
}

Semantic roles & 50–950 ramp

primary

#669FCF

secondary

#DCC7B4

accent

#6C26C0

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669FCF

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

Preview Lab → · Contrast checker → · Palette generator →