#3F557D Color

#3F557D is rgb(63, 85, 125) in RGB and hsl(219, 33%, 37%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#3F557D

HEX#3F557D

RGBrgb(63, 85, 125)

HSLhsl(219, 33%, 37%)

HSVhsv(219, 50%, 49%)

OKLCHoklch(45% 0.071 261.8)

CMYKcmyk(50%, 32%, 0%, 51%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #3F557D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.48:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.81:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #3F557D based on color wheel relationships. Click any swatch for its full breakdown.

Base#3F557D Complementary#7D683F Analogous#3F747D Analogous#493F7D Triadic#7D3F55 Triadic#557D3F

Tints & Shades

Lighter tints and darker shades of #3F557D, useful for hover states, backgrounds, and text variants.

Tints

#4F6A9C #637EB0 #8297C0 #A0B1CF #BFCADF #DAE0EC

Shades

#374A6D #30405F #27354E #1F293D #161E2C #0F151F

Use #3F557D in Our Tools

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