#669FEE#669FEE

#669FEE is a light, vivid cyan. Relative luminance 0.338; OKLCH L 69.7% C 0.131 H 256.8°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#669FEE
RGB	rgb(102, 159, 238)
HSL	hsl(215, 80%, 67%)
HSV	hsv(215, 57%, 93%)
CMYK	cmyk(57.1%, 33.2%, 0%, 6.7%)
CIE-LAB	lab(64.80, 4.24, -45.31)
CIE-LCH	lch(64.80, 45.51, 275.34°)
OKLab	oklab(69.74% -0.03 -0.128)
OKLCH	oklch(69.74% 0.131 256.8)
XYZ	xyz(33.3048, 33.7913, 85.6396)
Luminance	0.3379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FEE #EEB566

analogous

#66E3EE #669FEE #7166EE

triadic

#669FEE #EE669F #9FEE66

tetradic

#669FEE #EE66E3 #EEB566 #66EE71

square

#669FEE #EE66E3 #EEB566 #66EE71

split-complementary

#669FEE #EE7166 #E3EE66

monochromatic

#165FC4 #2F7CE8 #669FEE #9DC2F4 #D4E4FA

Accessibility & contrast

On white

2.71

#669FEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.76

#669FEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FEE

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FEE	#FFFFFF	#000000	##000000
##669FEE	1.00	2.71	7.76	7.76
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.76	21.00	1.00	1.00
##000000	7.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA4F1

Deuteranopia (green-blind)

#6D97EC

Tritanopia (blue-blind)

#00B1BC

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #669fee;
/* rgb */ color: rgb(102, 159, 238);
/* oklch */ color: oklch(69.7% 0.131 256.8);

Tailwind

colors: {
  custom: {
    50: '#9bbbf4',
    500: '#669fee',
    950: '#000000',
  },
}

SCSS

$custom: #669fee;
$custom-light: #9bbbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#669fee",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 238
  },
  "hsl": {
    "h": 214.853,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.69738,
    "c": 0.13146,
    "h": 256.8
  },
  "luminance": 0.33794
}

Semantic roles & 50–950 ramp

primary

#669FEE

secondary

#EEDBC2

accent

#8409DC

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669FEE

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

Preview Lab → · Contrast checker → · Palette generator →