#1B559D Color

#1B559D is rgb(27, 85, 157) in RGB and hsl(213, 71%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B559D

HEX#1B559D

RGBrgb(27, 85, 157)

HSLhsl(213, 71%, 36%)

HSVhsv(213, 83%, 62%)

OKLCHoklch(45.3% 0.131 256.1)

CMYKcmyk(83%, 46%, 0%, 38%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B559D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.41:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.83:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B559D based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B559D Complementary#9D621B Analogous#1B969D Analogous#211B9D Triadic#9D1B55 Triadic#559D1B

Tints & Shades

Lighter tints and darker shades of #1B559D, useful for hover states, backgrounds, and text variants.

Tints

#216BC4 #3681DD #5E9AE4 #81B0EA #A8C8F0 #CFE1F7

Shades

#174987 #144076 #103460 #0D2B4E #0A1F39 #071527

Use #1B559D in Our Tools

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