#1B4DB1 Color

#1B4DB1 is rgb(27, 77, 177) in RGB and hsl(220, 74%, 40%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B4DB1

HEX#1B4DB1

RGBrgb(27, 77, 177)

HSLhsl(220, 74%, 40%)

HSVhsv(220, 85%, 69%)

OKLCHoklch(45.1% 0.168 262.1)

CMYKcmyk(85%, 56%, 0%, 31%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B4DB1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.66:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.74:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B4DB1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B4DB1 Complementary#B17F1B Analogous#1B98B1 Analogous#341BB1 Triadic#B11B4D Triadic#4DB11B

Tints & Shades

Lighter tints and darker shades of #1B4DB1, useful for hover states, backgrounds, and text variants.

Tints

#205CD5 #4076E2 #6490E8 #87A9ED #ABC3F2 #D3DFF8

Shades

#17439B #143A85 #11306F #0D2454 #091B3E #061128

Use #1B4DB1 in Our Tools

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