#378B82 Color

#378B82 is rgb(55, 139, 130) in RGB and hsl(174, 43%, 38%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.

#378B82

HEX#378B82

RGBrgb(55, 139, 130)

HSLhsl(174, 43%, 38%)

HSVhsv(174, 60%, 55%)

OKLCHoklch(58.3% 0.082 185.5)

CMYKcmyk(60%, 0%, 6%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #378B82 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.06:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.18:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #378B82 based on color wheel relationships. Click any swatch for its full breakdown.

Base#378B82 Complementary#8B3740 Analogous#378B59 Analogous#37698B Triadic#82378B Triadic#8B8237

Tints & Shades

Lighter tints and darker shades of #378B82, useful for hover states, backgrounds, and text variants.

Tints

#44ABA1 #5BBEB4 #7CCBC3 #99D6D0 #BAE3DF #D7EFED

Shades

#307871 #296660 #21544F #1C4541 #143330 #0D211F

Use #378B82 in Our Tools

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