#1B555F Color

#1B555F is rgb(27, 85, 95) in RGB and hsl(189, 56%, 24%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B555F

HEX#1B555F

RGBrgb(27, 85, 95)

HSLhsl(189, 56%, 24%)

HSVhsv(189, 72%, 37%)

OKLCHoklch(41.7% 0.061 211.1)

CMYKcmyk(72%, 11%, 0%, 63%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B555F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.36:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.51:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B555F based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B555F Complementary#5F251B Analogous#1B5F47 Analogous#1B335F Triadic#5F1B55 Triadic#555F1B

Tints & Shades

Lighter tints and darker shades of #1B555F, useful for hover states, backgrounds, and text variants.

Tints

#277C8B #32A0B3 #50BBCE #78CAD9 #A4DBE5 #CBEBF0

Shades

#184B54 #144048 #11353C #0F2E34 #0B2328 #08191C

Use #1B555F in Our Tools

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