#378EB3 Color

#378EB3 is rgb(55, 142, 179) in RGB and hsl(198, 53%, 46%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.

#378EB3

HEX#378EB3

RGBrgb(55, 142, 179)

HSLhsl(198, 53%, 46%)

HSVhsv(198, 69%, 70%)

OKLCHoklch(61% 0.099 229.8)

CMYKcmyk(69%, 21%, 0%, 30%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #378EB3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.7:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.68:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #378EB3 based on color wheel relationships. Click any swatch for its full breakdown.

Base#378EB3 Complementary#B35C37 Analogous#37B39B Analogous#3750B3 Triadic#B3378E Triadic#8EB337

Tints & Shades

Lighter tints and darker shades of #378EB3, useful for hover states, backgrounds, and text variants.

Tints

#48A1C7 #67B1D0 #82BFD9 #A1CFE2 #BDDDEB #DCEDF4

Shades

#307C9C #296985 #22576D #1A4456 #13313E #0C1F27

Use #378EB3 in Our Tools

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