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Ball blue (#21ABCD)

Ball blue

Ball blue

A bright cyan blue bursting with vibrant energy and clarity. Perfect for bold, fun, and modern aquatic-inspired designs.

Color Name: Ball blue
HEX: #21ABCD
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Color Information

HEX
#21ABCD
RGB
33, 171, 205
HSL
192°, 72%, 47%
HSV
192°, 84%, 80%
CMYK
84%, 17%, 0%, 20%
LAB
64.85, -23.05, -27.18
XYZ
26.2, 33.85, 62.9
xyY
0.21, 0.28, 33.85
LCH
64.85, 35.64, 229.7
Web Safe
#3399CC
RGB Percent
12.94%, 67.06%, 80.39%
Binary (RGB)
00100001 10101011 11001101

CSS Color Code (#21ABCD)

CSS
.color-cyan {
  color: #21abcd;
}

.color-cyan-bg {
  background-color: #21abcd;
}

.color-cyan-border {
  border-color: #21abcd;
}

HTML Color Code (#21ABCD)

Selected HEX
#21ABCD
HTML
<div class="color-sample" style="background-color: #21abcd; padding: 15px; border-radius: 4px; color: #000;">
                  <span style="display: block; font-weight: bold;">Cyan</span>
                  <span style="display: block; font-family: monospace;">#21abcd</span>
                </div>

Contrast Ratio

Contrast ratio measures the difference in brightness between foreground and background colors.

  • AA (minimum): 4.5:1 for normal text, 3:1 for large text
  • AAA (enhanced): 7:1 for normal text, 4.5:1 for large text

Alternatives to Color (#21ABCD)

Click any swatch to copy hex.

Color Schemes Color (#21ABCD)

Complementary
Analogous
Split Complementary
Triadic
Tetradic
Monochromatic

Shades & Tints

Shades of Color (#21ABCD) (Darker)

Tints of Color (#21ABCD) (Lighter)

Color Blindness Simulator of Color (#21ABCD)

Normal Vision
Simulated: #21ABCD
Original color for comparison
Monochromacy
Simulated: #909090
Achromatopsia (no color vision)
Protanopia
Simulated: #5D5EC5
Red-blind (L-cones missing)
Deuteranopia
Simulated: #554AC3
Green-blind (M-cones missing)
Tritanopia
Simulated: #28BEBD
Blue-blind (S-cones missing)
Protanomaly
Simulated: #3A7DC9
Red-weak (L-cones defective)
Deuteranomaly
Simulated: #3D87C8
Green-weak (M-cones defective)
Tritanomaly
Simulated: #26B4C7
Blue-weak (S-cones defective)
imgSome Question

Frequently Asked Questions

#21ABCD. You can click any HEX on this page to copy it.

RGB is 33, 171, 205.

A bright cyan blue bursting with vibrant energy and clarity. Perfect for bold, fun, and modern aquatic-inspired designs.

.color-cyan { color: #21abcd; } .color-cyan-bg { background-color: #21abcd; } .color-cyan-border { border-color: #21abcd; } You can copy CSS from the code box above.

Cyan #21abcd A Copy button is provided next to the HTML code.

Ball blue is listed as a shade of Shades of Cyan.

Ball blue is categorized under “color”. Explore more at color.

Yes. Use the “Download PNG” button in the Visual color section to export a solid swatch. You can set custom width × height.

Yes. An image is shown on this page. Click it to copy the image URL.

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Quickly browse through various color code models — click below to view and copy swatch-ready color codes instantly.

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