#21A4D4 Color

#21A4D4 is rgb(33, 164, 212) in RGB and hsl(196, 73%, 48%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#21A4D4

HEX#21A4D4

RGBrgb(33, 164, 212)

HSLhsl(196, 73%, 48%)

HSVhsv(196, 84%, 83%)

OKLCHoklch(67.4% 0.126 229.3)

CMYKcmyk(84%, 23%, 0%, 17%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21A4D4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.87:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text7.33:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21A4D4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21A4D4 Complementary#D45121 Analogous#21D4AA Analogous#214BD4 Triadic#D421A4 Triadic#A4D421

Tints & Shades

Lighter tints and darker shades of #21A4D4, useful for hover states, backgrounds, and text variants.

Tints

#38B3E0 #57BFE5 #76CBEA #9AD8EF #B8E4F4 #D7F0F9

Shades

#1D90B9 #18789A #146380 #104F65 #0C3A4B #07222C

Use #21A4D4 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex