#669DED#669DED

#669DED is a light, vivid blue. Relative luminance 0.331; OKLCH L 69.3% C 0.132 H 257.7°. Best body text is #000000 at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#669DED
RGB	rgb(102, 157, 237)
HSL	hsl(216, 79%, 66%)
HSV	hsv(216, 57%, 93%)
CMYK	cmyk(57%, 33.8%, 0%, 7.1%)
CIE-LAB	lab(64.20, 5.07, -45.70)
CIE-LCH	lch(64.20, 45.98, 276.34°)
OKLab	oklab(69.26% -0.0281 -0.1291)
OKLCH	oklch(69.26% 0.132 257.7)
XYZ	xyz(32.8172, 33.0504, 84.7543)
Luminance	0.3305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DED #EDB666

analogous

#66E0ED #669DED #7366ED

triadic

#669DED #ED669D #9DED66

tetradic

#669DED #ED66E0 #EDB666 #66ED73

square

#669DED #ED66E0 #EDB666 #66ED73

split-complementary

#669DED #ED7366 #E0ED66

monochromatic

#175CC2 #2F7AE7 #669DED #9DC0F3 #D4E3FA

Accessibility & contrast

On white

2.76

#669DED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.61

#669DED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DED

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DED	#FFFFFF	#000000	##000000
##669DED	1.00	2.76	7.61	7.61
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.61	21.00	1.00	1.00
##000000	7.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA3F0

Deuteranopia (green-blind)

#6B96EB

Tritanopia (blue-blind)

#00AFBA

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669ded;
/* rgb */ color: rgb(102, 157, 237);
/* oklch */ color: oklch(69.3% 0.132 257.7);

Tailwind

colors: {
  custom: {
    50: '#9bb9f3',
    500: '#669ded',
    950: '#000000',
  },
}

SCSS

$custom: #669ded;
$custom-light: #9bb9f3;
$custom-dark: #000000;

JSON

{
  "hex": "#669ded",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 237
  },
  "hsl": {
    "h": 215.556,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.69258,
    "c": 0.13217,
    "h": 257.7
  },
  "luminance": 0.33053
}

Semantic roles & 50–950 ramp

primary

#669DED

secondary

#EDDBC2

accent

#860ADB

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669DED

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

Preview Lab → · Contrast checker → · Palette generator →