#1B3C4B Color

#1B3C4B is rgb(27, 60, 75) in RGB and hsl(199, 47%, 20%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B3C4B

HEX#1B3C4B

RGBrgb(27, 60, 75)

HSLhsl(199, 47%, 20%)

HSVhsv(199, 64%, 29%)

OKLCHoklch(33.8% 0.047 229.9)

CMYKcmyk(64%, 20%, 0%, 71%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3C4B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.7:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.79:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B3C4B based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3C4B Complementary#4B2A1B Analogous#1B4B42 Analogous#1B244B Triadic#4B1B3C Triadic#3C4B1B

Tints & Shades

Lighter tints and darker shades of #1B3C4B, useful for hover states, backgrounds, and text variants.

Tints

#2A5D74 #397E9D #4F9CBF #7CB5D0 #A5CCDF #CEE4ED

Shades

#183643 #142D38 #122731 #0F2129 #0C1B22 #081216

Use #1B3C4B in Our Tools

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