Dark blue color: code #00008B
Dark blue
#00008B
Color codes
- HEX
#00008B - RGB
rgb(0, 0, 139) - HSL
hsl(240, 100%, 27%) - HSV
hsv(240, 100%, 55%) - CMYK
cmyk(100%, 100%, 0%, 45%) - LAB
lab(14.8% 50.4 -68.7) - OKLCH
oklch(28.8% 0.199 264.1)
About the color Dark blue
Dark blue has the HEX code #00008B, which corresponds to rgb(0, 0, 139) in the RGB model. On the color wheel its hue sits at 240°, with 100% saturation and 27% lightness (hsl(240, 100%, 27%)).
Because of its hue it reads as a cool color: it tends to feel calm and distant, and it visually “recedes” in a composition.
As a background it calls for light text: white reaches a 15.29:1 contrast ratio on it, versus 1.37:1 for black.
For print, the approximate conversion is cmyk(100%, 100%, 0%, 45%). Always confirm with your printer’s color profile, because the result depends on paper and ink.
Lighter tints
Darker shades
Color combinations with Dark blue
Complementary
#00008B · #8A8A00
Analogous
#00458A · #00008B · #45008A
Triadic
#00008B · #8A0000 · #008A00
Tetradic
#00008B · #8A0045 · #8A8A00 · #008A45
Split-complementary
#00008B · #8A4500 · #458A00
Monochromatic
#00000A · #000057 · #00008B · #0000D6 · #2424FF
Dark blue with white and black text
How to use it in CSS
:root {
--color-dark-blue: #00008B;
--color-dark-blue-rgb: 0, 0, 139;
}
.elemento {
background-color: var(--color-dark-blue);
color: #FFFFFF;
}