#1B4CA1 Color

#1B4CA1 is rgb(27, 76, 161) in RGB and hsl(218, 71%, 37%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B4CA1

HEX#1B4CA1

RGBrgb(27, 76, 161)

HSLhsl(218, 71%, 37%)

HSVhsv(218, 83%, 63%)

OKLCHoklch(43.6% 0.148 260.7)

CMYKcmyk(83%, 53%, 0%, 37%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B4CA1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.09:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.6:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B4CA1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B4CA1 Complementary#A1701B Analogous#1B8FA1 Analogous#2D1BA1 Triadic#A11B4C Triadic#4CA11B

Tints & Shades

Lighter tints and darker shades of #1B4CA1, useful for hover states, backgrounds, and text variants.

Tints

#225FC9 #3673DD #5E8FE4 #85AAEA #ACC5F1 #CFDEF7

Shades

#18428C #153A7A #113064 #0D254E #0A1B39 #071327

Use #1B4CA1 in Our Tools

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