#1B5588 Color

#1B5588 is rgb(27, 85, 136) in RGB and hsl(208, 67%, 32%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B5588

HEX#1B5588

RGBrgb(27, 85, 136)

HSLhsl(208, 67%, 32%)

HSVhsv(208, 80%, 53%)

OKLCHoklch(43.9% 0.103 249.1)

CMYKcmyk(80%, 38%, 0%, 47%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B5588 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.77:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.7:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B5588 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B5588 Complementary#884E1B Analogous#1B8885 Analogous#1B1F88 Triadic#881B55 Triadic#55881B

Tints & Shades

Lighter tints and darker shades of #1B5588, useful for hover states, backgrounds, and text variants.

Tints

#236DAF #2E88D6 #559EDD #7FB6E6 #A6CCED #D0E4F6

Shades

#184B77 #144066 #113555 #0D2B44 #0A2033 #071522

Use #1B5588 in Our Tools

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