#669BF2#669BF2

#669BF2 is a light, vivid blue. Relative luminance 0.327; OKLCH L 69.1% C 0.141 H 259.9°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX#669BF2
RGBrgb(102, 155, 242)
HSLhsl(217, 84%, 67%)
HSVhsv(217, 58%, 95%)
CMYKcmyk(57.9%, 36%, 0%, 5.1%)
CIE-LABlab(63.90, 7.82, -48.92)
CIE-LCHlch(63.90, 49.55, 279.09°)
OKLaboklab(69.1% -0.0248 -0.1386)
OKLCHoklch(69.1% 0.141 259.9)
XYZxyz(33.2223, 32.6755, 88.5434)
Luminance0.3268 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669BF2 #F2BD66
analogous
#66E1F2 #669BF2 #7766F2
triadic
#669BF2 #F2669B #9BF266
tetradic
#669BF2 #F266E1 #F2BD66 #66F277
square
#669BF2 #F266E1 #F2BD66 #66F277
split-complementary
#669BF2 #F27766 #E1F266
monochromatic
#1158CC #2E76ED #669BF2 #9EC0F7 #D7E5FC

Accessibility & contrast

On white

2.79
#669BF2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.54
#669BF2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BF2
7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669BF2#FFFFFF#000000##000000
##669BF21.002.797.547.54
#FFFFFF2.791.0021.0021.00
#0000007.5421.001.001.00
##0000007.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#77A2F6
Deuteranopia (green-blind)
#6495F0
Tritanopia (blue-blind)
#00AEBB
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #669bf2;
/* rgb */ color: rgb(102, 155, 242);
/* oklch */ color: oklch(69.1% 0.141 259.9);
Tailwind
colors: {
  custom: {
    50: '#9cb8f7',
    500: '#669bf2',
    950: '#000000',
  },
}
SCSS
$custom: #669bf2;
$custom-light: #9cb8f7;
$custom-dark: #000000;
JSON
{
  "hex": "#669bf2",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 242
  },
  "hsl": {
    "h": 217.286,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.691,
    "c": 0.14076,
    "h": 259.9
  },
  "luminance": 0.32678
}

Semantic roles & 50–950 ramp

primary
#669BF2
secondary
#F0DFC4
accent
#8D05E1
background
#FAFBFF
surface
#F4F6FE
border
#CED0D6
text
#0F1117
muted
#7F8085

Preview Lab

Preview with #669BF2

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

Preview Lab → · Contrast checker → · Palette generator →

#669BF2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva