#1F3151 Color

#1F3151 is rgb(31, 49, 81) in RGB and hsl(218, 45%, 22%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1F3151

HEX#1F3151

RGBrgb(31, 49, 81)

HSLhsl(218, 45%, 22%)

HSVhsv(218, 62%, 32%)

OKLCHoklch(31.5% 0.062 261.2)

CMYKcmyk(62%, 40%, 0%, 68%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1F3151 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.99:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.62:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1F3151 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1F3151 Complementary#513F1F Analogous#1F4B51 Analogous#261F51 Triadic#511F31 Triadic#31511F

Tints & Shades

Lighter tints and darker shades of #1F3151, useful for hover states, backgrounds, and text variants.

Tints

#2E4A7A #3E63A3 #597EC0 #7E9BCE #A6BADD #CFDAED

Shades

#1B2B46 #18263F #141F34 #111B2C #0D1421 #0A101A

Use #1F3151 in Our Tools

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