#1B339D Color

#1B339D is rgb(27, 51, 157) in RGB and hsl(229, 71%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B339D

HEX#1B339D

RGBrgb(27, 51, 157)

HSLhsl(229, 71%, 36%)

HSVhsv(229, 83%, 62%)

OKLCHoklch(38.2% 0.173 267)

CMYKcmyk(83%, 68%, 0%, 38%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B339D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.46:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.01:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B339D based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B339D Complementary#9D851B Analogous#1B749D Analogous#441B9D Triadic#9D1B33 Triadic#339D1B

Tints & Shades

Lighter tints and darker shades of #1B339D, useful for hover states, backgrounds, and text variants.

Tints

#213FC4 #3655DD #5E76E4 #8194EA #A8B5F0 #CFD6F7

Shades

#172C87 #142676 #101F60 #0D194E #0A1239 #070D27

Use #1B339D in Our Tools

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