#303C78 Color

#303C78 is rgb(48, 60, 120) in RGB and hsl(230, 43%, 33%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#303C78

HEX#303C78

RGBrgb(48, 60, 120)

HSLhsl(230, 43%, 33%)

HSVhsv(230, 60%, 47%)

OKLCHoklch(37.9% 0.103 272.1)

CMYKcmyk(60%, 50%, 0%, 53%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #303C78 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.28:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.04:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #303C78 based on color wheel relationships. Click any swatch for its full breakdown.

Base#303C78 Complementary#786C30 Analogous#306078 Analogous#483078 Triadic#78303C Triadic#3C7830

Tints & Shades

Lighter tints and darker shades of #303C78, useful for hover states, backgrounds, and text variants.

Tints

#3D4C99 #5062B9 #717FC6 #929DD3 #B2BAE0 #D7DBEF

Shades

#2A356A #242D5B #1F264D #171D3A #11162C #0C0F1D

Use #303C78 in Our Tools

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