#1B5A51 Color

#1B5A51 is rgb(27, 90, 81) in RGB and hsl(171, 54%, 23%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B5A51

HEX#1B5A51

RGBrgb(27, 90, 81)

HSLhsl(171, 54%, 23%)

HSVhsv(171, 70%, 35%)

OKLCHoklch(42.5% 0.065 181.8)

CMYKcmyk(70%, 0%, 10%, 65%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B5A51 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.99:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.63:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B5A51 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B5A51 Complementary#5A1B24 Analogous#1B5A31 Analogous#1B445A Triadic#511B5A Triadic#5A511B

Tints & Shades

Lighter tints and darker shades of #1B5A51, useful for hover states, backgrounds, and text variants.

Tints

#288677 #34AD9B #4ECAB8 #79D7C9 #A5E4DB #CCF0EA

Shades

#174F46 #15473F #123B35 #0E2F2A #0B2320 #081B19

Use #1B5A51 in Our Tools

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