#1B4FA1 Color

#1B4FA1 is rgb(27, 79, 161) in RGB and hsl(217, 71%, 37%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B4FA1

HEX#1B4FA1

RGBrgb(27, 79, 161)

HSLhsl(217, 71%, 37%)

HSVhsv(217, 83%, 63%)

OKLCHoklch(44.3% 0.144 259.5)

CMYKcmyk(83%, 51%, 0%, 37%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B4FA1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.84:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.68:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B4FA1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B4FA1 Complementary#A16E1B Analogous#1B92A1 Analogous#2B1BA1 Triadic#A11B4F Triadic#4FA11B

Tints & Shades

Lighter tints and darker shades of #1B4FA1, useful for hover states, backgrounds, and text variants.

Tints

#2262C9 #3676DD #5E91E4 #85ACEA #ACC7F1 #CFDEF7

Shades

#18448C #153C7A #113164 #0D264E #0A1C39 #071327

Use #1B4FA1 in Our Tools

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