#669CE5#669CE5

#669CE5 is a light, vivid cyan. Relative luminance 0.323; OKLCH L 68.6% C 0.123 H 256.3°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX#669CE5
RGBrgb(102, 156, 229)
HSLhsl(214, 71%, 65%)
HSVhsv(214, 55%, 90%)
CMYKcmyk(55.5%, 31.9%, 0%, 10.2%)
CIE-LABlab(63.55, 3.13, -42.31)
CIE-LCHlch(63.55, 42.43, 274.23°)
OKLaboklab(68.63% -0.0291 -0.1193)
OKLCHoklch(68.63% 0.123 256.3)
XYZxyz(31.5059, 32.2563, 78.6794)
Luminance0.3226 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669CE5 #E5AF66
analogous
#66DCE5 #669CE5 #6F66E5
triadic
#669CE5 #E5669C #9CE566
tetradic
#669CE5 #E566DC #E5AF66 #66E56F
square
#669CE5 #E566DC #E5AF66 #66E56F
split-complementary
#669CE5 #E56F66 #DCE566
monochromatic
#1E5DB2 #327ADC #669CE5 #9ABEEE #CFE0F7

Accessibility & contrast

On white

2.82
#669CE5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.45
#669CE5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CE5
7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669CE5#FFFFFF#000000##000000
##669CE51.002.827.457.45
#FFFFFF2.821.0021.0021.00
#0000007.4521.001.001.00
##0000007.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7EA1E8
Deuteranopia (green-blind)
#6E94E3
Tritanopia (blue-blind)
#04ACB6
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #669ce5;
/* rgb */ color: rgb(102, 156, 229);
/* oklch */ color: oklch(68.6% 0.123 256.3);
Tailwind
colors: {
  custom: {
    50: '#9ab8ed',
    500: '#669ce5',
    950: '#000000',
  },
}
SCSS
$custom: #669ce5;
$custom-light: #9ab8ed;
$custom-dark: #000000;
JSON
{
  "hex": "#669ce5",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 229
  },
  "hsl": {
    "h": 214.488,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.68631,
    "c": 0.12278,
    "h": 256.3
  },
  "luminance": 0.32259
}

Semantic roles & 50–950 ramp

primary
#669CE5
secondary
#E9D7BE
accent
#8113D3
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0F1116
muted
#7E8084

Preview Lab

Preview with #669CE5

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

Preview Lab → · Contrast checker → · Palette generator →

#669CE5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva