#003357
A very dark, vivid blue closely aligning with Darkslategray.
About #003357
The precise color #003357 is an excellent choice for modern design projects. It is closely associated with the named CSS color Darkslategray. This translates to an RGB value of rgb(0, 51, 87).
While screens use RGB, printing presses rely on Cyan, Magenta, Yellow, and Key (black). The color uses 100% Cyan, 41% Magenta, 0% Yellow, and 66% Black. The HSL representation is 204.8° hue, 100.0% saturation, and 17.1% lightness.
Ensuring your text is legible against this background is a key part of web design. Because it is a very dark color, it is generally recommended to use #FFFFFF text. Strict adherence to these ratios protects visually impaired users from unreadable interfaces.
Color Space Conversions
HEX#003357
RGB0, 51, 87
HSL204.8°, 100.0%, 17.1%
CMYK100%, 41%, 0%, 66%
HSV204.8°, 100.0%, 34.1%
LAB20.3, -0.0, -26.0
XYZ2.9, 3.1, 9.5
Decimal13143
Color Harmonies
Tints, Shades & Tones
Tints (Adding White)
Shades (Adding Black)
WCAG Contrast Accessibility
13.03:1
Text on #FFFFFF
AAA
1.61:1
Text on #000000
FAIL
12.46:1
Text on #F8FAFC
AAA
1.37:1
Text on #0F172A
FAIL
CSS Implementation
.bg-color {
background-color: #003357;
}
.text-color {
color: #003357;
}
.border-color {
border: 2px solid #003357;
}