#669FDA#669FDA

#669FDA is a light, moderate cyan. Relative luminance 0.327; OKLCH L 68.7% C 0.106 H 250.4°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#669FDA
RGB	rgb(102, 159, 218)
HSL	hsl(211, 61%, 63%)
HSV	hsv(211, 53%, 85%)
CMYK	cmyk(53.2%, 27.1%, 0%, 14.5%)
CIE-LAB	lab(63.90, -1.98, -35.68)
CIE-LCH	lch(63.90, 35.74, 266.82°)
OKLab	oklab(68.74% -0.0356 -0.1001)
OKLCH	oklch(68.74% 0.106 250.4)
XYZ	xyz(30.5281, 32.6806, 71.0153)
Luminance	0.3268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FDA #DAA166

analogous

#66D9DA #669FDA #6766DA

triadic

#669FDA #DA669F #9FDA66

tetradic

#669FDA #DA66D9 #DAA166 #66DA67

square

#669FDA #DA66D9 #DAA166 #66DA67

split-complementary

#669FDA #DA6766 #D9DA66

monochromatic

#26629F #3580CE #669FDA #97BEE6 #C9DDF2

Accessibility & contrast

On white

2.79

#669FDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#669FDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FDA

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FDA	#FFFFFF	#000000	##000000
##669FDA	1.00	2.79	7.54	7.54
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A1DD

Deuteranopia (green-blind)

#7896D9

Tritanopia (blue-blind)

#21ADB3

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669fda;
/* rgb */ color: rgb(102, 159, 218);
/* oklch */ color: oklch(68.7% 0.106 250.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#669fda",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 218
  },
  "hsl": {
    "h": 210.517,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.68743,
    "c": 0.10623,
    "h": 250.4
  },
  "luminance": 0.32683
}

Semantic roles & 50–950 ramp

primary

#669FDA

secondary

#E3CEB9

accent

#741DC9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669FDA

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

Preview Lab → · Contrast checker → · Palette generator →