#1B4DE4 Color

#1B4DE4 is rgb(27, 77, 228) in RGB and hsl(225, 79%, 50%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#1B4DE4

HEX#1B4DE4

RGBrgb(27, 77, 228)

HSLhsl(225, 79%, 50%)

HSVhsv(225, 88%, 89%)

OKLCHoklch(49.7% 0.233 264.5)

CMYKcmyk(88%, 66%, 0%, 11%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B4DE4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.5:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.23:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1B4DE4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B4DE4 Complementary#E4B21B Analogous#1BB2E4 Analogous#4D1BE4 Triadic#E41B4D Triadic#4DE41B

Tints & Shades

Lighter tints and darker shades of #1B4DE4, useful for hover states, backgrounds, and text variants.

Tints

#3B66E8 #5B7FEC #7B98EF #96ADF3 #B6C6F6 #D6DFFA

Shades

#1742C4 #1439A9 #102E89 #0D256E #091A4E #061132

Use #1B4DE4 in Our Tools

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