#218BC4 color

  • HEX#218BC4
  • RGBrgb(33, 139, 196)
  • HSLhsl(201, 71%, 45%)
  • CMYK83, 29, 0, 23

About #218BC4

#218BC4 is a medium blue color with the hex code #218BC4. In RGB it is red 33, green 139, blue 196; in HSL it is hue 201°, saturation 71%, lightness 45%; in CMYK it is 83%, 29%, 0%, 23%. Its contrast ratio is 3.78:1 on white and 5.55:1 on black.

#218BC4 Color Conversion

Hex triplet21, 8B, C4
CMYK83.16%, 29.08%, 0.00%, 23.14%
RGB Decimal33, 139, 196
HSL201°, 71%, 45%
RGB Octal41, 213, 304
HSV (HSB)200.98°, 83.16%, 76.86%
RGB Binary100001, 10001011, 11000100
CIE-L*AB54.84, -8.82, -37.70
RGB Percent12.94%, 54.51%, 76.86%
CIE-L*CH54.84, 38.72, 256.83
XYZ19.82, 22.77, 55.58
CIE-L*UV54.84, -34.00, -57.21
xyY0.20, 0.23, 22.77
Hunter-Lab47.72, -9.37, -35.64
RYB12.94%, 38.13%, 76.86%

Color Accessibility Scores

#218BC4 on a dark background: contrast 5.55:1, passes WCAG AA.
#218BC4 on a light background: contrast 3.78:1, passes WCAG AA for large text only.

Color Shades

Tints and shades of #218BC4, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #218BC4. Open any of them in the Muzli palette generator.

Complementary palette

#218BC4 · #5EB5E4 · #145476 · #C45A21 · #E48D5E

Analogous palette

#21C45A · #21C4AC · #218BC4 · #213AC4 · #5A21C4

Triadic palette

#218BC4 · #C4218B · #8BC421 · #5EB5E4 · #E45EB5

Tetradic palette

#218BC4 · #AC21C4 · #C45A21 · #3AC421 · #145476

Monochromatic palette

#0B2E41 · #165D83 · #218BC4 · #51AFE1 · #92CDED

Generate more palettes containing #218BC4 · Browse all color names

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