#1B5379 Color

#1B5379 is rgb(27, 83, 121) in RGB and hsl(204, 64%, 29%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B5379

HEX#1B5379

RGBrgb(27, 83, 121)

HSLhsl(204, 64%, 29%)

HSVhsv(204, 78%, 47%)

OKLCHoklch(42.5% 0.085 242.6)

CMYKcmyk(78%, 31%, 0%, 53%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B5379 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.2:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.56:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B5379 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B5379 Complementary#79401B Analogous#1B7970 Analogous#1B2479 Triadic#791B53 Triadic#53791B

Tints & Shades

Lighter tints and darker shades of #1B5379, useful for hover states, backgrounds, and text variants.

Tints

#2470A3 #2D8DCD #54A4D9 #79B8E2 #A3CEEB #CDE4F4

Shades

#174869 #143F5C #11344B #0E2B3F #0A202E #071721

Use #1B5379 in Our Tools

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