#303C55 Color

#303C55 is rgb(48, 60, 85) in RGB and hsl(221, 28%, 26%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#303C55

HEX#303C55

RGBrgb(48, 60, 85)

HSLhsl(221, 28%, 26%)

HSVhsv(221, 44%, 33%)

OKLCHoklch(35.7% 0.047 264.4)

CMYKcmyk(44%, 29%, 0%, 67%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #303C55 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.03:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.9:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #303C55 based on color wheel relationships. Click any swatch for its full breakdown.

Base#303C55 Complementary#554930 Analogous#304E55 Analogous#373055 Triadic#55303B Triadic#3B5530

Tints & Shades

Lighter tints and darker shades of #303C55, useful for hover states, backgrounds, and text variants.

Tints

#425276 #566C99 #7386B0 #93A2C2 #B4BED5 #D8DDE9

Shades

#2A354B #252E41 #1F2737 #181E2A #121721 #0D1017

Use #303C55 in Our Tools

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