#1B21DA Color

#1B21DA is rgb(27, 33, 218) in RGB and hsl(238, 78%, 48%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#1B21DA

HEX#1B21DA

RGBrgb(27, 33, 218)

HSLhsl(238, 78%, 48%)

HSVhsv(238, 88%, 85%)

OKLCHoklch(42.7% 0.261 267.1)

CMYKcmyk(88%, 85%, 0%, 15%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B21DA background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.22:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.28:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B21DA based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B21DA Complementary#DAD41B Analogous#1B81DA Analogous#741BDA Triadic#DA1B21 Triadic#21DA1B

Tints & Shades

Lighter tints and darker shades of #1B21DA, useful for hover states, backgrounds, and text variants.

Tints

#3339E6 #5358EA #7276EE #979AF2 #B6B8F6 #D6D7FA

Shades

#181DBF #14189F #101484 #0D1068 #0A0C4D #06072D

Use #1B21DA in Our Tools

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