#1B3183 Color

#1B3183 is rgb(27, 49, 131) in RGB and hsl(227, 66%, 31%) in HSL. The closest CSS named color is MidnightBlue. White text is most readable on this background.

#1B3183

HEX#1B3183

RGBrgb(27, 49, 131)

HSLhsl(227, 66%, 31%)

HSVhsv(227, 79%, 51%)

OKLCHoklch(35.3% 0.14 267.1)

CMYKcmyk(79%, 63%, 0%, 49%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3183 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.58:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.81:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B3183 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3183 Complementary#836D1B Analogous#1B6683 Analogous#381B83 Triadic#831B31 Triadic#31831B

Tints & Shades

Lighter tints and darker shades of #1B3183, useful for hover states, backgrounds, and text variants.

Tints

#2441AE #2B50D4 #5673DC #7C92E4 #A6B5ED #CCD5F5

Shades

#172B72 #142561 #101E50 #0E1A44 #0A1333 #070D22

Use #1B3183 in Our Tools

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