#1B21C0 Color

#1B21C0 is rgb(27, 33, 192) in RGB and hsl(238, 75%, 43%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#1B21C0

HEX#1B21C0

RGBrgb(27, 33, 192)

HSLhsl(238, 75%, 43%)

HSVhsv(238, 86%, 75%)

OKLCHoklch(39.5% 0.233 267.9)

CMYKcmyk(86%, 83%, 0%, 25%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B21C0 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.37:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.03:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B21C0 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B21C0 Complementary#C0BA1B Analogous#1B73C0 Analogous#681BC0 Triadic#C01B21 Triadic#21C01B

Tints & Shades

Lighter tints and darker shades of #1B21C0, useful for hover states, backgrounds, and text variants.

Tints

#242BE0 #484DE5 #6C70EA #8B8EEE #AFB1F4 #D2D4F9

Shades

#181CA5 #14188F #111474 #0D105E #0A0B43 #06082D

Use #1B21C0 in Our Tools

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