#155B66 Color

#155B66 is rgb(21, 91, 102) in RGB and hsl(188, 66%, 24%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#155B66

HEX#155B66

RGBrgb(21, 91, 102)

HSLhsl(188, 66%, 24%)

HSVhsv(188, 79%, 40%)

OKLCHoklch(43.5% 0.068 210.5)

CMYKcmyk(79%, 11%, 0%, 60%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #155B66 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.72:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.72:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #155B66 based on color wheel relationships. Click any swatch for its full breakdown.

Base#155B66 Complementary#662015 Analogous#156648 Analogous#153266 Triadic#66155B Triadic#5B6615

Tints & Shades

Lighter tints and darker shades of #155B66, useful for hover states, backgrounds, and text variants.

Tints

#1E8494 #27AABE #45C5D9 #6FD2E2 #9EE1EB #C8EEF4

Shades

#124F59 #10444C #0D393F #0B3137 #09262A #061A1E

Use #155B66 in Our Tools

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