#669CE8#669CE8

#669CE8 is a light, vivid blue. Relative luminance 0.324; OKLCH L 68.8% C 0.127 H 257.1°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX#669CE8
RGBrgb(102, 156, 232)
HSLhsl(215, 74%, 65%)
HSVhsv(215, 56%, 91%)
CMYKcmyk(56%, 32.8%, 0%, 9%)
CIE-LABlab(63.69, 4.07, -43.75)
CIE-LCHlch(63.69, 43.94, 275.32°)
OKLaboklab(68.78% -0.0283 -0.1235)
OKLCHoklch(68.78% 0.127 257.1)
XYZxyz(31.9284, 32.4253, 80.9044)
Luminance0.3243 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669CE8 #E8B266
analogous
#66DDE8 #669CE8 #7166E8
triadic
#669CE8 #E8669C #9CE866
tetradic
#669CE8 #E866DD #E8B266 #66E871
square
#669CE8 #E866DD #E8B266 #66E871
split-complementary
#669CE8 #E87166 #DDE866
monochromatic
#1C5DB8 #317AE0 #669CE8 #9BBEF0 #D0E1F8

Accessibility & contrast

On white

2.81
#669CE8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.49
#669CE8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CE8
7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669CE8#FFFFFF#000000##000000
##669CE81.002.817.497.49
#FFFFFF2.811.0021.0021.00
#0000007.4921.001.001.00
##0000007.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7DA1EB
Deuteranopia (green-blind)
#6C95E6
Tritanopia (blue-blind)
#00ADB7
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #669ce8;
/* rgb */ color: rgb(102, 156, 232);
/* oklch */ color: oklch(68.8% 0.127 257.1);
Tailwind
colors: {
  custom: {
    50: '#9ab8ef',
    500: '#669ce8',
    950: '#000000',
  },
}
SCSS
$custom: #669ce8;
$custom-light: #9ab8ef;
$custom-dark: #000000;
JSON
{
  "hex": "#669ce8",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 232
  },
  "hsl": {
    "h": 215.077,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.68784,
    "c": 0.12667,
    "h": 257.1
  },
  "luminance": 0.32428
}

Semantic roles & 50–950 ramp

primary
#669CE8
secondary
#EBD9BF
accent
#8410D6
background
#FAFBFE
surface
#F3F6FD
border
#CDD0D5
text
#0F1116
muted
#7F8084

Preview Lab

Preview with #669CE8

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

Preview Lab → · Contrast checker → · Palette generator →

#669CE8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva