#303D88 Color

#303D88 is rgb(48, 61, 136) in RGB and hsl(231, 48%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#303D88

HEX#303D88

RGBrgb(48, 61, 136)

HSLhsl(231, 48%, 36%)

HSVhsv(231, 65%, 53%)

OKLCHoklch(39.3% 0.125 272)

CMYKcmyk(65%, 55%, 0%, 47%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #303D88 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.77:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.15:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #303D88 based on color wheel relationships. Click any swatch for its full breakdown.

Base#303D88 Complementary#887B30 Analogous#306988 Analogous#4F3088 Triadic#88303D Triadic#3D8830

Tints & Shades

Lighter tints and darker shades of #303D88, useful for hover states, backgrounds, and text variants.

Tints

#3C4CAA #5162C2 #7381CE #929CD9 #B4BBE4 #D5DAF0

Shades

#293475 #242E66 #1D2553 #181E44 #111631 #0C0F22

Use #303D88 in Our Tools

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