#1B409D Color

#1B409D is rgb(27, 64, 157) in RGB and hsl(223, 71%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B409D

HEX#1B409D

RGBrgb(27, 64, 157)

HSLhsl(223, 71%, 36%)

HSVhsv(223, 83%, 62%)

OKLCHoklch(40.7% 0.157 264.1)

CMYKcmyk(83%, 59%, 0%, 38%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B409D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.26:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.27:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B409D based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B409D Complementary#9D781B Analogous#1B819D Analogous#371B9D Triadic#9D1B40 Triadic#409D1B

Tints & Shades

Lighter tints and darker shades of #1B409D, useful for hover states, backgrounds, and text variants.

Tints

#214FC4 #3666DD #5E84E4 #819EEA #A8BCF0 #CFDAF7

Shades

#173787 #143076 #102760 #0D204E #0A1739 #071027

Use #1B409D in Our Tools

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