Dark Cobalt Blue Color – #33578a: Codes and Complete Breakdown
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Louis-Jacques Thénard synthesized cobalt blue pigment in 1802 in a French porcelain lab, and painters (Turner first, then Van Gogh) fell hard for its stability. Dark cobalt blue color (#33578a) leans navy on screen while keeping the pigment’s steadiness. Banks and legacy tech companies still pick blues in this exact zone to signal trust.

Dark Cobalt Blue Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#33578a
Dark Cobalt Blue Color Codes and Information
Here’s a complete breakdown of the color Dark Cobalt Blue, including its HEX, RGB, HSL, and CMYK values, as well as other information about the color.
| Data Type | Values/Details |
|---|---|
| Hex | #33578a |
| RGB | rgb(51,87,138) |
| HSL | hsl(215,46%,37.1%) |
| CMYK | 63, 37, 0, 46 |
| HSV | 215, 63, 54 |
| RGB % | 20, 34, 54 |
| XYZ | 9.4, 9.4, 25.4 |
| LAB | 36.7, 3.9, -32.2 |
| Color Category | Dark |
| Color Family | Blue |
| Saturation | 63% |
| Temperature | Cool |
| Contrast Ratio Againt White (#ffffff) | 7.31 (passes WCAG AA) |
| Contrast Ratio Againt Black (#000000) | 2.87 (fails WCAG AA) |
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