#1B383B Color

#1B383B is rgb(27, 56, 59) in RGB and hsl(186, 37%, 17%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B383B

HEX#1B383B

RGBrgb(27, 56, 59)

HSLhsl(186, 37%, 17%)

HSVhsv(186, 54%, 23%)

OKLCHoklch(31.9% 0.035 204.2)

CMYKcmyk(54%, 5%, 0%, 77%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B383B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.53:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.68:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B383B based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B383B Complementary#3B1F1B Analogous#1B3B2F Analogous#1B283B Triadic#3B1B38 Triadic#383B1B

Tints & Shades

Lighter tints and darker shades of #1B383B, useful for hover states, backgrounds, and text variants.

Tints

#2F6065 #40848C #57A9B2 #7EBDC4 #A8D2D7 #CEE6E9

Shades

#183234 #152B2D #122426 #102123 #0D1A1C #0A1415

Use #1B383B in Our Tools

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