#1B4588 Color

#1B4588 is rgb(27, 69, 136) in RGB and hsl(217, 67%, 32%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B4588

HEX#1B4588

RGBrgb(27, 69, 136)

HSLhsl(217, 67%, 32%)

HSVhsv(217, 80%, 53%)

OKLCHoklch(40.1% 0.122 259.5)

CMYKcmyk(80%, 49%, 0%, 47%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B4588 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.32:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.25:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B4588 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B4588 Complementary#885E1B Analogous#1B7C88 Analogous#281B88 Triadic#881B45 Triadic#45881B

Tints & Shades

Lighter tints and darker shades of #1B4588, useful for hover states, backgrounds, and text variants.

Tints

#2358AF #2E6FD6 #5589DD #7FA7E6 #A6C1ED #D0DFF6

Shades

#183C77 #143466 #112B55 #0D2244 #0A1A33 #071122

Use #1B4588 in Our Tools

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