#669FED#669FED

#669FED is a light, vivid cyan. Relative luminance 0.337; OKLCH L 69.7% C 0.130 H 256.5°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#669FED
RGB	rgb(102, 159, 237)
HSL	hsl(215, 79%, 66%)
HSV	hsv(215, 57%, 93%)
CMYK	cmyk(57%, 32.9%, 0%, 7.1%)
CIE-LAB	lab(64.75, 3.92, -44.84)
CIE-LCH	lch(64.75, 45.01, 275.00°)
OKLab	oklab(69.69% -0.0303 -0.1266)
OKLCH	oklch(69.69% 0.13 256.5)
XYZ	xyz(33.1583, 33.7327, 84.8680)
Luminance	0.3373 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FED #EDB466

analogous

#66E2ED #669FED #7166ED

triadic

#669FED #ED669F #9FED66

tetradic

#669FED #ED66E2 #EDB466 #66ED71

square

#669FED #ED66E2 #EDB466 #66ED71

split-complementary

#669FED #ED7166 #E2ED66

monochromatic

#175FC2 #2F7DE7 #669FED #9DC1F3 #D4E4FA

Accessibility & contrast

On white

2.71

#669FED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#669FED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FED

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FED	#FFFFFF	#000000	##000000
##669FED	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA4F0

Deuteranopia (green-blind)

#6D97EB

Tritanopia (blue-blind)

#00B1BB

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #669fed;
/* rgb */ color: rgb(102, 159, 237);
/* oklch */ color: oklch(69.7% 0.130 256.5);

Tailwind

colors: {
  custom: {
    50: '#9bbbf3',
    500: '#669fed',
    950: '#000000',
  },
}

SCSS

$custom: #669fed;
$custom-light: #9bbbf3;
$custom-dark: #000000;

JSON

{
  "hex": "#669fed",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 237
  },
  "hsl": {
    "h": 214.667,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.69686,
    "c": 0.13018,
    "h": 256.5
  },
  "luminance": 0.33735
}

Semantic roles & 50–950 ramp

primary

#669FED

secondary

#EDDBC2

accent

#830ADB

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669FED

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

Preview Lab → · Contrast checker → · Palette generator →