#306CB5 Color

#306CB5 is rgb(48, 108, 181) in RGB and hsl(213, 58%, 45%) in HSL. The closest CSS named color is SteelBlue. White text is most readable on this background.

#306CB5

HEX#306CB5

RGBrgb(48, 108, 181)

HSLhsl(213, 58%, 45%)

HSVhsv(213, 73%, 71%)

OKLCHoklch(52.9% 0.131 255)

CMYKcmyk(73%, 40%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #306CB5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.33:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.94:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #306CB5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#306CB5 Complementary#B57930 Analogous#30AFB5 Analogous#3730B5 Triadic#B5306C Triadic#6CB530

Tints & Shades

Lighter tints and darker shades of #306CB5, useful for hover states, backgrounds, and text variants.

Tints

#4280CD #5E93D4 #7EA9DD #9ABCE4 #BBD1ED #D7E4F4

Shades

#2A5E9D #234F85 #1D416D #183559 #112640 #0B1828

Use #306CB5 in Our Tools

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