#1B21E4 Color

#1B21E4 is rgb(27, 33, 228) in RGB and hsl(238, 79%, 50%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#1B21E4

HEX#1B21E4

RGBrgb(27, 33, 228)

HSLhsl(238, 79%, 50%)

HSVhsv(238, 88%, 89%)

OKLCHoklch(43.9% 0.272 266.9)

CMYKcmyk(88%, 86%, 0%, 11%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B21E4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.81:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.38:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B21E4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B21E4 Complementary#E4DE1B Analogous#1B86E4 Analogous#791BE4 Triadic#E41B21 Triadic#21E41B

Tints & Shades

Lighter tints and darker shades of #1B21E4, useful for hover states, backgrounds, and text variants.

Tints

#3B41E8 #5B60EC #7B7FEF #9699F3 #B6B8F6 #D6D7FA

Shades

#171DC4 #1419A9 #101489 #0D106E #090B4E #060732

Use #1B21E4 in Our Tools

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