#669BDF#669BDF

#669BDF is a light, moderate cyan. Relative luminance 0.316; OKLCH L 68.1% C 0.116 H 255.2°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#669BDF
RGB	rgb(102, 155, 223)
HSL	hsl(214, 65%, 64%)
HSV	hsv(214, 54%, 87%)
CMYK	cmyk(54.3%, 30.5%, 0%, 12.5%)
CIE-LAB	lab(63.00, 1.83, -39.85)
CIE-LCH	lch(63.00, 39.90, 272.63°)
OKLab	oklab(68.11% -0.0297 -0.1122)
OKLCH	oklch(68.11% 0.116 255.2)
XYZ	xyz(30.5155, 31.5927, 74.2877)
Luminance	0.3160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BDF #DFAA66

analogous

#66D7DF #669BDF #6D66DF

triadic

#669BDF #DF669B #9BDF66

tetradic

#669BDF #DF66D7 #DFAA66 #66DF6D

square

#669BDF #DF66D7 #DFAA66 #66DF6D

split-complementary

#669BDF #DF6D66 #D7DF66

monochromatic

#235DA8 #337AD4 #669BDF #99BCEA #CBDDF4

Accessibility & contrast

On white

2.87

#669BDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#669BDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BDF

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BDF	#FFFFFF	#000000	##000000
##669BDF	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809FE2

Deuteranopia (green-blind)

#7093DE

Tritanopia (blue-blind)

#19AAB3

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #669bdf;
/* rgb */ color: rgb(102, 155, 223);
/* oklch */ color: oklch(68.1% 0.116 255.2);

Tailwind

colors: {
  custom: {
    50: '#99b8e9',
    500: '#669bdf',
    950: '#000000',
  },
}

SCSS

$custom: #669bdf;
$custom-light: #99b8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#669bdf",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 223
  },
  "hsl": {
    "h": 213.719,
    "s": 65.405,
    "l": 63.725
  },
  "oklch": {
    "l": 0.68111,
    "c": 0.11602,
    "h": 255.2
  },
  "luminance": 0.31595
}

Semantic roles & 50–950 ramp

primary

#669BDF

secondary

#E6D3BB

accent

#7E18CD

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #669BDF

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

Preview Lab → · Contrast checker → · Palette generator →