#15B5EF Color

#15B5EF is rgb(21, 181, 239) in RGB and hsl(196, 87%, 51%) in HSL. The closest CSS named color is DeepSkyBlue. Black text is most readable on this background.

#15B5EF

HEX#15B5EF

RGBrgb(21, 181, 239)

HSLhsl(196, 87%, 51%)

HSVhsv(196, 91%, 94%)

OKLCHoklch(72.6% 0.143 231)

CMYKcmyk(91%, 24%, 0%, 6%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #15B5EF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.36:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text8.89:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #15B5EF based on color wheel relationships. Click any swatch for its full breakdown.

Base#15B5EF Complementary#EF4F15 Analogous#15EFBC Analogous#1548EF Triadic#EF15B5 Triadic#B5EF15

Tints & Shades

Lighter tints and darker shades of #15B5EF, useful for hover states, backgrounds, and text variants.

Tints

#37BFF1 #53C8F3 #75D3F5 #96DEF8 #B7E8FA #D4F1FC

Shades

#0F9ED2 #0D88B5 #0A6F94 #085672 #063D51 #042734

Use #15B5EF in Our Tools

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