#1B4383 Color

#1B4383 is rgb(27, 67, 131) in RGB and hsl(217, 66%, 31%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B4383

HEX#1B4383

RGBrgb(27, 67, 131)

HSLhsl(217, 66%, 31%)

HSVhsv(217, 79%, 51%)

OKLCHoklch(39.2% 0.117 259.5)

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

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B4383 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.65:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.18:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B4383 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B4383 Complementary#835B1B Analogous#1B7783 Analogous#271B83 Triadic#831B43 Triadic#43831B

Tints & Shades

Lighter tints and darker shades of #1B4383, useful for hover states, backgrounds, and text variants.

Tints

#2458AE #2B6CD4 #5689DC #7CA4E4 #A6C1ED #CCDCF5

Shades

#173A72 #143261 #102950 #0E2344 #0A1A33 #071122

Use #1B4383 in Our Tools

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