#1F374D Color

#1F374D is rgb(31, 55, 77) in RGB and hsl(209, 43%, 21%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1F374D

HEX#1F374D

RGBrgb(31, 55, 77)

HSLhsl(209, 43%, 21%)

HSVhsv(209, 60%, 30%)

OKLCHoklch(32.8% 0.049 247.5)

CMYKcmyk(60%, 29%, 0%, 70%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1F374D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.27:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.71:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1F374D based on color wheel relationships. Click any swatch for its full breakdown.

Base#1F374D Complementary#4D351F Analogous#1F4D4C Analogous#1F1F4D Triadic#4D1F36 Triadic#364D1F

Tints & Shades

Lighter tints and darker shades of #1F374D, useful for hover states, backgrounds, and text variants.

Tints

#2F5375 #3F6F9D #578BBC #7FA7CC #A7C3DC #D0DEEC

Shades

#1C3145 #17293A #142433 #101C28 #0D1721 #091016

Use #1F374D in Our Tools

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