#257DD4 Color

#257DD4 is rgb(37, 125, 212) in RGB and hsl(210, 70%, 49%) in HSL. The closest CSS named color is RoyalBlue. Black text is most readable on this background.

#257DD4

HEX#257DD4

RGBrgb(37, 125, 212)

HSLhsl(210, 70%, 49%)

HSVhsv(210, 83%, 83%)

OKLCHoklch(58.4% 0.156 252.3)

CMYKcmyk(83%, 41%, 0%, 17%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #257DD4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.23:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text4.96:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #257DD4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#257DD4 Complementary#D47D25 Analogous#25D4D4 Analogous#2525D4 Triadic#D4257D Triadic#7DD425

Tints & Shades

Lighter tints and darker shades of #257DD4, useful for hover states, backgrounds, and text variants.

Tints

#408FDD #5FA1E3 #7DB2E8 #9BC4ED #BAD6F3 #D8E8F8

Shades

#216EBA #1C5C9C #174C82 #123B64 #0D2B4A #08192B

Use #257DD4 in Our Tools

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