#669CEB#669CEB

#669CEB is a light, vivid blue. Relative luminance 0.326; OKLCH L 68.9% C 0.131 H 257.8°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#669CEB
RGBrgb(102, 156, 235)
HSLhsl(216, 77%, 66%)
HSVhsv(216, 57%, 92%)
CMYKcmyk(56.6%, 33.6%, 0%, 7.8%)
CIE-LABlab(63.83, 5.02, -45.18)
CIE-LCHlch(63.83, 45.46, 276.34°)
OKLaboklab(68.94% -0.0276 -0.1276)
OKLCHoklch(68.94% 0.131 257.8)
XYZxyz(32.3581, 32.5972, 83.1678)
Luminance0.3260 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669CEB #EBB566
analogous
#66DFEB #669CEB #7266EB
triadic
#669CEB #EB669C #9CEB66
tetradic
#669CEB #EB66DF #EBB566 #66EB72
square
#669CEB #EB66DF #EBB566 #66EB72
split-complementary
#669CEB #EB7266 #DFEB66
monochromatic
#195CBE #3079E4 #669CEB #9CBFF2 #D2E2F9

Accessibility & contrast

On white

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

On black

7.52
#669CEB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CEB
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669CEB#FFFFFF#000000##000000
##669CEB1.002.797.527.52
#FFFFFF2.791.0021.0021.00
#0000007.5221.001.001.00
##0000007.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7CA2EE
Deuteranopia (green-blind)
#6A95E9
Tritanopia (blue-blind)
#00AEB9
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #669ceb;
/* rgb */ color: rgb(102, 156, 235);
/* oklch */ color: oklch(68.9% 0.131 257.8);
Tailwind
colors: {
  custom: {
    50: '#9bb8f2',
    500: '#669ceb',
    950: '#000000',
  },
}
SCSS
$custom: #669ceb;
$custom-light: #9bb8f2;
$custom-dark: #000000;
JSON
{
  "hex": "#669ceb",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 235
  },
  "hsl": {
    "h": 215.639,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.6894,
    "c": 0.13057,
    "h": 257.8
  },
  "luminance": 0.326
}

Semantic roles & 50–950 ramp

primary
#669CEB
secondary
#ECDBC1
accent
#860CD9
background
#FAFBFE
surface
#F3F6FD
border
#CDD0D5
text
#0F1117
muted
#7F8085

Preview Lab

Preview with #669CEB

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

Preview Lab → · Contrast checker → · Palette generator →

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