#1B5383 Color

#1B5383 is rgb(27, 83, 131) in RGB and hsl(208, 66%, 31%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B5383

HEX#1B5383

RGBrgb(27, 83, 131)

HSLhsl(208, 66%, 31%)

HSVhsv(208, 79%, 51%)

OKLCHoklch(43.1% 0.098 248.4)

CMYKcmyk(79%, 37%, 0%, 49%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B5383 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.04:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.61:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B5383 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B5383 Complementary#834C1B Analogous#1B8380 Analogous#1B1E83 Triadic#831B53 Triadic#53831B

Tints & Shades

Lighter tints and darker shades of #1B5383, useful for hover states, backgrounds, and text variants.

Tints

#246DAE #2B85D4 #569DDC #7CB3E4 #A6CCED #CCE2F5

Shades

#174872 #143D61 #103350 #0E2B44 #0A2033 #071522

Use #1B5383 in Our Tools

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