#669CE4#669CE4

#669CE4 is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.6% C 0.121 H 256.0°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX#669CE4
RGBrgb(102, 156, 228)
HSLhsl(214, 70%, 65%)
HSVhsv(214, 55%, 89%)
CMYKcmyk(55.3%, 31.6%, 0%, 10.6%)
CIE-LABlab(63.51, 2.82, -41.83)
CIE-LCHlch(63.51, 41.92, 273.85°)
OKLaboklab(68.58% -0.0294 -0.1179)
OKLCHoklch(68.58% 0.122 256)
XYZxyz(31.3667, 32.2006, 77.9461)
Luminance0.3220 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669CE4 #E4AE66
analogous
#66DBE4 #669CE4 #6F66E4
triadic
#669CE4 #E4669C #9CE466
tetradic
#669CE4 #E466DB #E4AE66 #66E46F
square
#669CE4 #E466DB #E4AE66 #66E46F
split-complementary
#669CE4 #E46F66 #DBE466
monochromatic
#1F5DB0 #327ADB #669CE4 #9ABEED #CEDFF6

Accessibility & contrast

On white

2.82
#669CE4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.44
#669CE4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CE4
7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669CE4#FFFFFF#000000##000000
##669CE41.002.827.447.44
#FFFFFF2.821.0021.0021.00
#0000007.4421.001.001.00
##0000007.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7FA0E7
Deuteranopia (green-blind)
#6F94E3
Tritanopia (blue-blind)
#09ACB6
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #669ce4;
/* rgb */ color: rgb(102, 156, 228);
/* oklch */ color: oklch(68.6% 0.121 256.0);
Tailwind
colors: {
  custom: {
    50: '#9ab8ed',
    500: '#669ce4',
    950: '#000000',
  },
}
SCSS
$custom: #669ce4;
$custom-light: #9ab8ed;
$custom-dark: #000000;
JSON
{
  "hex": "#669ce4",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 228
  },
  "hsl": {
    "h": 214.286,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.6858,
    "c": 0.1215,
    "h": 256
  },
  "luminance": 0.32203
}

Semantic roles & 50–950 ramp

primary
#669CE4
secondary
#E9D6BD
accent
#8014D2
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0F1116
muted
#7E8084

Preview Lab

Preview with #669CE4

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

Preview Lab → · Contrast checker → · Palette generator →

#669CE4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva