#00428A
A dark, vivid blue closely aligning with Darkslateblue.
About #00428A
The hex code #00428A represents a beautifully specific shade of blue. Designers often compare it to the standard color Darkslateblue. In the RGB color space, it consists of 0 red, 66 green, and 138 blue.
Translating this color to physical media requires the CMYK color model. This specific hue requires a mix of 100% C, 52% M, 0% Y, and 46% K. This makes it a relatively light color when applied to physical surfaces.
Contrast ratios determine whether this color is safe for typography. Mathematical luminance calculations suggest that #FFFFFF text provides the most optimal reading experience. Strict adherence to these ratios protects visually impaired users from unreadable interfaces.
Color Space Conversions
HEX#00428A
RGB0, 66, 138
HSL211.3°, 100.0%, 27.1%
CMYK100%, 52%, 0%, 46%
HSV211.3°, 100.0%, 54.1%
LAB28.7, 12.1, -45.0
XYZ6.5, 5.7, 24.8
Decimal17034
Color Harmonies
Tints, Shades & Tones
Tints (Adding White)
Shades (Adding Black)
WCAG Contrast Accessibility
9.78:1
Text on #FFFFFF
AAA
2.15:1
Text on #000000
FAIL
9.35:1
Text on #F8FAFC
AAA
1.82:1
Text on #0F172A
FAIL
CSS Implementation
.bg-color {
background-color: #00428A;
}
.text-color {
color: #00428A;
}
.border-color {
border: 2px solid #00428A;
}