#0042E9

A medium, vivid blue closely aligning with Mediumblue.

About #0042E9

Visually, #0042E9 is defined as a vivid blue. Its closest recognized web color is Mediumblue. In the RGB color space, it consists of 0 red, 66 green, and 233 blue.

When sending designs containing this color to a printer, the CMYK values come into play. The color uses 100% Cyan, 72% Magenta, 0% Yellow, and 9% Black. Always request a physical proof before doing a large print run with this exact code.

From a UX and accessibility standpoint, contrast is paramount. Because it is a medium color, it is generally recommended to use #FFFFFF text. Always test your color combinations using a contrast checker before publishing.

Color Space Conversions

HEX#0042E9
RGB0, 66, 233
HSL223.0°, 100.0%, 45.7%
CMYK100%, 72%, 0%, 9%
HSV223.0°, 100.0%, 91.4%
LAB37.4, 49.4, -86.9
XYZ16.7, 9.8, 78.1
Decimal17129

Color Harmonies

Complementary

Analogous

Triadic

Tints, Shades & Tones

Tints (Adding White)

Shades (Adding Black)

WCAG Contrast Accessibility

7.10:1
Text on #FFFFFF
AAA
2.96:1
Text on #000000
FAIL
6.79:1
Text on #F8FAFC
AA
2.51:1
Text on #0F172A
FAIL

CSS Implementation

.bg-color { background-color: #0042E9; }
.text-color { color: #0042E9; }
.border-color { border: 2px solid #0042E9; }

Similar Colors

Mediumblue
#0000CD