#1581F4 Color

#1581F4 is rgb(21, 129, 244) in RGB and hsl(211, 91%, 52%) in HSL. The closest CSS named color is DodgerBlue. Black text is most readable on this background.

#1581F4

HEX#1581F4

RGBrgb(21, 129, 244)

HSLhsl(211, 91%, 52%)

HSVhsv(211, 91%, 96%)

OKLCHoklch(61.1% 0.194 255.3)

CMYKcmyk(91%, 47%, 0%, 4%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1581F4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.83:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.48:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1581F4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1581F4 Complementary#F48815 Analogous#15F0F4 Analogous#1915F4 Triadic#F41581 Triadic#81F415

Tints & Shades

Lighter tints and darker shades of #1581F4, useful for hover states, backgrounds, and text variants.

Tints

#3793F6 #55A3F7 #77B5F9 #94C5FA #B6D8FC #D3E7FD

Shades

#0A6FDB #095EB9 #074D97 #063E7A #042D58 #031B36

Use #1581F4 in Our Tools

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