#669AF9#669AF9

#669AF9 is a light, vivid blue. Relative luminance 0.328; OKLCH L 69.3% C 0.151 H 261.6°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX#669AF9
RGBrgb(102, 154, 249)
HSLhsl(219, 92%, 69%)
HSVhsv(219, 59%, 98%)
CMYKcmyk(59%, 38.2%, 0%, 2.4%)
CIE-LABlab(63.98, 10.66, -52.64)
CIE-LCHlch(63.98, 53.70, 281.44°)
OKLaboklab(69.27% -0.0222 -0.1494)
OKLCHoklch(69.27% 0.151 261.6)
XYZxyz(34.1280, 32.7726, 94.1314)
Luminance0.3278 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669AF9 #F9C566
analogous
#66E3F9 #669AF9 #7C66F9
triadic
#669AF9 #F9669A #9AF966
tetradic
#669AF9 #F966E3 #F9C566 #66F97C
square
#669AF9 #F966E3 #F9C566 #66F97C
split-complementary
#669AF9 #F97C66 #E3F966
monochromatic
#0953DC #2B73F7 #669AF9 #A1C1FB #DCE8FE

Accessibility & contrast

On white

2.78
#669AF9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.56
#669AF9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669AF9
7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669AF9#FFFFFF#000000##000000
##669AF91.002.787.567.56
#FFFFFF2.781.0021.0021.00
#0000007.5621.001.001.00
##0000007.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#71A2FD
Deuteranopia (green-blind)
#5E95F7
Tritanopia (blue-blind)
#00AFBE
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #669af9;
/* rgb */ color: rgb(102, 154, 249);
/* oklch */ color: oklch(69.3% 0.151 261.6);
Tailwind
colors: {
  custom: {
    50: '#9db7fc',
    500: '#669af9',
    950: '#000000',
  },
}
SCSS
$custom: #669af9;
$custom-light: #9db7fc;
$custom-dark: #000000;
JSON
{
  "hex": "#669af9",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 249
  },
  "hsl": {
    "h": 218.776,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.69275,
    "c": 0.15105,
    "h": 261.6
  },
  "luminance": 0.32776
}

Semantic roles & 50–950 ramp

primary
#669AF9
secondary
#F3E4C8
accent
#9400E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1117
muted
#7F8085

Preview Lab

Preview with #669AF9

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

Preview Lab → · Contrast checker → · Palette generator →

#669AF9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva