#669CEC#669CEC

#669CEC is a light, vivid blue. Relative luminance 0.327; OKLCH L 69.0% C 0.132 H 258.1°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#669CEC
RGB	rgb(102, 156, 236)
HSL	hsl(216, 78%, 66%)
HSV	hsv(216, 57%, 93%)
CMYK	cmyk(56.8%, 33.9%, 0%, 7.5%)
CIE-LAB	lab(63.88, 5.34, -45.65)
CIE-LCH	lch(63.88, 45.96, 276.67°)
OKLab	oklab(68.99% -0.0273 -0.129)
OKLCH	oklch(68.99% 0.132 258.1)
XYZ	xyz(32.5030, 32.6551, 83.9309)
Luminance	0.3266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CEC #ECB666

analogous

#66DFEC #669CEC #7366EC

triadic

#669CEC #EC669C #9CEC66

tetradic

#669CEC #EC66DF #ECB666 #66EC73

square

#669CEC #EC66DF #ECB666 #66EC73

split-complementary

#669CEC #EC7366 #DFEC66

monochromatic

#185CC0 #3079E5 #669CEC #9CBFF3 #D3E2FA

Accessibility & contrast

On white

2.79

#669CEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.53

#669CEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CEC

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CEC	#FFFFFF	#000000	##000000
##669CEC	1.00	2.79	7.53	7.53
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.53	21.00	1.00	1.00
##000000	7.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA2EF

Deuteranopia (green-blind)

#6A95EA

Tritanopia (blue-blind)

#00AEB9

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669cec;
/* rgb */ color: rgb(102, 156, 236);
/* oklch */ color: oklch(69.0% 0.132 258.1);

Tailwind

colors: {
  custom: {
    50: '#9bb8f2',
    500: '#669cec',
    950: '#000000',
  },
}

SCSS

$custom: #669cec;
$custom-light: #9bb8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#669cec",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 236
  },
  "hsl": {
    "h": 215.821,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.68993,
    "c": 0.13187,
    "h": 258.1
  },
  "luminance": 0.32658
}

Semantic roles & 50–950 ramp

primary

#669CEC

secondary

#EDDBC1

accent

#870BDA

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669CEC

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

Preview Lab → · Contrast checker → · Palette generator →