#669EED#669EED

#669EED is a light, vivid blue. Relative luminance 0.334; OKLCH L 69.5% C 0.131 H 257.1°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#669EED
RGB	rgb(102, 158, 237)
HSL	hsl(215, 79%, 66%)
HSV	hsv(215, 57%, 93%)
CMYK	cmyk(57%, 33.3%, 0%, 7.1%)
CIE-LAB	lab(64.48, 4.50, -45.27)
CIE-LCH	lch(64.48, 45.49, 275.68°)
OKLab	oklab(69.47% -0.0292 -0.1279)
OKLCH	oklch(69.47% 0.131 257.1)
XYZ	xyz(32.9871, 33.3901, 84.8109)
Luminance	0.3339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EED #EDB566

analogous

#66E2ED #669EED #7266ED

triadic

#669EED #ED669E #9EED66

tetradic

#669EED #ED66E2 #EDB566 #66ED72

square

#669EED #ED66E2 #EDB566 #66ED72

split-complementary

#669EED #ED7266 #E2ED66

monochromatic

#175EC2 #2F7BE7 #669EED #9DC1F3 #D4E3FA

Accessibility & contrast

On white

2.73

#669EED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#669EED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EED

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EED	#FFFFFF	#000000	##000000
##669EED	1.00	2.73	7.68	7.68
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DA3F0

Deuteranopia (green-blind)

#6C97EB

Tritanopia (blue-blind)

#00B0BB

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669eed;
/* rgb */ color: rgb(102, 158, 237);
/* oklch */ color: oklch(69.5% 0.131 257.1);

Tailwind

colors: {
  custom: {
    50: '#9bbaf3',
    500: '#669eed',
    950: '#000000',
  },
}

SCSS

$custom: #669eed;
$custom-light: #9bbaf3;
$custom-dark: #000000;

JSON

{
  "hex": "#669eed",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 237
  },
  "hsl": {
    "h": 215.111,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.69472,
    "c": 0.13116,
    "h": 257.1
  },
  "luminance": 0.33393
}

Semantic roles & 50–950 ramp

primary

#669EED

secondary

#EDDBC2

accent

#850ADB

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669EED

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

Preview Lab → · Contrast checker → · Palette generator →