Seal Blue Color – #475663: Codes and Complete Breakdown
By
Published on
The Seal Blue color hex code is #475663, and it is composed of 28% red, 34% green and 39% blue.
Seal Blue is a dark, dull, desaturated, and cool color at 28% saturation. It has a contrast ratio of 7.56:1 against a white background, which passes WCAG AA (Web Content Accessibility Guidelines, Level AA) compliance.
For better visibility, it is recommended to use the Seal Blue color (#475663) against light backgrounds.

Seal Blue Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#475663
Seal Blue Color Codes and Information
Here’s a complete breakdown of the color Seal Blue, including its HEX, RGB, HSL, and CMYK values, as well as other information about the color.
| Data Type | Values/Details |
|---|---|
| Hex | #475663 |
| RGB | rgb(71,86,99) |
| HSL | hsl(208,16.5%,33.3%) |
| CMYK | 28, 13, 0, 61 |
| HSV | 208, 28, 39 |
| RGB % | 28, 34, 39 |
| XYZ | 8.2, 8.9, 13.1 |
| LAB | 35.8, -2.3, -9.4 |
| Color Category | Dark |
| Color Family | Blue |
| Saturation | 28% |
| Temperature | Cool |
| Contrast Ratio Againt White (#ffffff) | 7.56 (passes WCAG AA) |
| Contrast Ratio Againt Black (#000000) | 2.78 (fails WCAG AA) |
Similar Colors to Seal Blue Color
#16b8f3

Zima Blue
#00308f

US Air Force Blue
#8093a4

Dusty Blue
#4169e1

Royal Blue
#dde0df

Barely Blue
#9bb3bc

Blue Shell
#cfe2ef

Weak Blue
#d1d8d0

Zephyr Blue









