#4257CC
A medium, moderate blue closely aligning with Royalblue.
About #4257CC
The hex code #4257CC represents a beautifully specific shade of blue. Its closest recognized web color is Royalblue. This translates to an RGB value of rgb(66, 87, 204).
Translating this color to physical media requires the CMYK color model. This specific hue requires a mix of 68% C, 57% M, 0% Y, and 20% K. With a hue angle of 230.9 degrees, it sits comfortably in the blue spectrum.
Ensuring your text is legible against this background is a key part of web design. Mathematical luminance calculations suggest that #FFFFFF text provides the most optimal reading experience. You can view the detailed AAA and AA pass/fail metrics in the table below.
Color Space Conversions
HEX#4257CC
RGB66, 87, 204
HSL230.9°, 57.5%, 52.9%
CMYK68%, 57%, 0%, 20%
HSV230.9°, 67.6%, 80.0%
LAB41.7, 30.3, -63.2
XYZ16.6, 12.3, 58.6
Decimal4347852
Color Harmonies
Tints, Shades & Tones
Tints (Adding White)
Shades (Adding Black)
WCAG Contrast Accessibility
6.06:1
Text on #FFFFFF
AA
3.47:1
Text on #000000
AA Large
5.79:1
Text on #F8FAFC
AA
2.95:1
Text on #0F172A
FAIL
CSS Implementation
.bg-color {
background-color: #4257CC;
}
.text-color {
color: #4257CC;
}
.border-color {
border: 2px solid #4257CC;
}