#4257DB

A medium, moderate blue closely aligning with Royalblue.

About #4257DB

The precise color #4257DB is an excellent choice for modern design projects. If you're using CSS, you might find it aligns closely with Royalblue. Its digital footprint relies on 66 parts red, 87 parts green, and 219 parts blue light.

If you are designing for print, the four-color process is what matters most. This specific hue requires a mix of 70% C, 60% M, 0% Y, and 14% K. Always request a physical proof before doing a large print run with this exact code.

When using this color as a background, text legibility must be considered. The calculated luminance score dictates that #FFFFFF typography is the safest choice. You can view the detailed AAA and AA pass/fail metrics in the table below.

Color Space Conversions

HEX#4257DB
RGB66, 87, 219
HSL231.8°, 68.0%, 55.9%
CMYK70%, 60%, 0%, 14%
HSV231.8°, 69.9%, 85.9%
LAB42.9, 35.6, -69.9
XYZ18.4, 13.1, 68.6
Decimal4347867

Color Harmonies

Complementary

Analogous

Triadic

Tints, Shades & Tones

Tints (Adding White)

Shades (Adding Black)

WCAG Contrast Accessibility

5.80:1
Text on #FFFFFF
AA
3.62:1
Text on #000000
AA Large
5.55:1
Text on #F8FAFC
AA
3.08:1
Text on #0F172A
AA Large

CSS Implementation

.bg-color { background-color: #4257DB; }
.text-color { color: #4257DB; }
.border-color { border: 2px solid #4257DB; }

Similar Colors

Royalblue
#4169E1