#1B3F41 Color

#1B3F41 is rgb(27, 63, 65) in RGB and hsl(183, 41%, 18%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B3F41

HEX#1B3F41

RGBrgb(27, 63, 65)

HSLhsl(183, 41%, 18%)

HSVhsv(183, 58%, 25%)

OKLCHoklch(34.2% 0.041 200.2)

CMYKcmyk(58%, 3%, 0%, 75%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3F41 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.45:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.83:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B3F41 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3F41 Complementary#411D1B Analogous#1B4130 Analogous#1B2C41 Triadic#411B3F Triadic#3F411B

Tints & Shades

Lighter tints and darker shades of #1B3F41, useful for hover states, backgrounds, and text variants.

Tints

#2C6568 #3E8F93 #52B2B7 #7EC5C9 #A5D7D9 #D0EAEB

Shades

#18383A #153132 #122A2B #0F2324 #0C1C1D #091516

Use #1B3F41 in Our Tools

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