#1B3D8D Color

#1B3D8D is rgb(27, 61, 141) in RGB and hsl(222, 68%, 33%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B3D8D

HEX#1B3D8D

RGBrgb(27, 61, 141)

HSLhsl(222, 68%, 33%)

HSVhsv(222, 81%, 55%)

OKLCHoklch(38.7% 0.139 263.7)

CMYKcmyk(81%, 57%, 0%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3D8D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.01:1AA normal ✓AA large ✓AAA normal ✓

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

Color Harmonies

Colors that pair well with #1B3D8D based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3D8D Complementary#8D6B1B Analogous#1B768D Analogous#321B8D Triadic#8D1B3D Triadic#3D8D1B

Tints & Shades

Lighter tints and darker shades of #1B3D8D, useful for hover states, backgrounds, and text variants.

Tints

#224EB4 #3163D8 #5880DF #7E9EE7 #A5BBEE #D0DBF6

Shades

#18367C #142E6B #11275A #0D1E45 #0A1633 #070F22

Use #1B3D8D in Our Tools

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