#333A57
A dark, muted blue closely aligning with Darkslategray.
About #333A57
The hex code #333A57 represents a beautifully specific shade of blue. Its closest recognized web color is Darkslategray. In the RGB color space, it consists of 51 red, 58 green, and 87 blue.
When sending designs containing this color to a printer, the CMYK values come into play. The color uses 41% Cyan, 33% Magenta, 0% Yellow, and 66% Black. Always request a physical proof before doing a large print run with this exact code.
Web Content Accessibility Guidelines (WCAG) dictate how we should use this color. The calculated luminance score dictates that #FFFFFF typography is the safest choice. Strict adherence to these ratios protects visually impaired users from unreadable interfaces.
Color Space Conversions
HEX#333A57
RGB51, 58, 87
HSL228.3°, 26.1%, 27.1%
CMYK41%, 33%, 0%, 66%
HSV228.3°, 41.4%, 34.1%
LAB25.0, 5.4, -18.4
XYZ4.6, 4.4, 9.6
Decimal3357271
Color Harmonies
Tints, Shades & Tones
Tints (Adding White)
Shades (Adding Black)
WCAG Contrast Accessibility
11.15:1
Text on #FFFFFF
AAA
1.88:1
Text on #000000
FAIL
10.66:1
Text on #F8FAFC
AAA
1.60:1
Text on #0F172A
FAIL
CSS Implementation
.bg-color {
background-color: #333A57;
}
.text-color {
color: #333A57;
}
.border-color {
border: 2px solid #333A57;
}