#1B5B65 Color

#1B5B65 is rgb(27, 91, 101) in RGB and hsl(188, 58%, 25%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B5B65

HEX#1B5B65

RGBrgb(27, 91, 101)

HSLhsl(188, 58%, 25%)

HSVhsv(188, 73%, 40%)

OKLCHoklch(43.6% 0.065 209.9)

CMYKcmyk(73%, 10%, 0%, 60%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B5B65 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.69:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.73:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B5B65 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B5B65 Complementary#65251B Analogous#1B654A Analogous#1B3665 Triadic#651B5B Triadic#5B651B

Tints & Shades

Lighter tints and darker shades of #1B5B65, useful for hover states, backgrounds, and text variants.

Tints

#257F8D #31A7B9 #4EBFD0 #7ACFDC #A2DDE6 #CFEDF2

Shades

#185059 #14454D #113A40 #0E2F34 #0B2428 #07191C

Use #1B5B65 in Our Tools

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