#1B3F4B Color

#1B3F4B is rgb(27, 63, 75) in RGB and hsl(195, 47%, 20%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B3F4B

HEX#1B3F4B

RGBrgb(27, 63, 75)

HSLhsl(195, 47%, 20%)

HSVhsv(195, 64%, 29%)

OKLCHoklch(34.7% 0.046 222.4)

CMYKcmyk(64%, 16%, 0%, 71%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3F4B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.3:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.86:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B3F4B based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3F4B Complementary#4B271B Analogous#1B4B3F Analogous#1B274B Triadic#4B1B3F Triadic#3F4B1B

Tints & Shades

Lighter tints and darker shades of #1B3F4B, useful for hover states, backgrounds, and text variants.

Tints

#2A6274 #39849D #4FA3BF #7CBBD0 #A5D0DF #CEE6ED

Shades

#183943 #142F38 #122931 #0F2329 #0C1C22 #081316

Use #1B3F4B in Our Tools

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