Costume Blue Color – #6477a0: Codes and Complete Breakdown
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The Costume Blue color hex code is #6477a0, and it is composed of 39% red, 47% green and 63% blue.
Costume Blue is a dark, muted, and cool color at 38% saturation. It has a contrast ratio of 4.48:1 against a white background, which fails WCAG AA (Web Content Accessibility Guidelines, Level AA) compliance.
For better visibility, it is recommended to use the Costume Blue color (#6477a0) against dark backgrounds.

Costume Blue Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#6477a0
Costume Blue Color Codes and Information
Here’s a complete breakdown of the color Costume Blue, including its HEX, RGB, HSL, and CMYK values, as well as other information about the color.
| Data Type | Values/Details |
|---|---|
| Hex | #6477a0 |
| RGB | rgb(100,119,160) |
| HSL | hsl(221,24%,51%) |
| CMYK | 38, 26, 0, 37 |
| HSV | 221, 38, 63 |
| RGB % | 39, 47, 63 |
| XYZ | 18.2, 18.4, 35.9 |
| LAB | 50, 3.8, -24.4 |
| Color Category | Dark |
| Color Family | Blue |
| Saturation | 38% |
| Temperature | Cool |
| Contrast Ratio Againt White (#ffffff) | 4.48 (fails WCAG AA) |
| Contrast Ratio Againt Black (#000000) | 4.69 (passes WCAG AA) |
Similar Colors to Costume Blue Color
#16b8f3

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#8093a4

Dusty Blue
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Royal Blue
#dde0df

Barely Blue
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Blue Shell
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Weak Blue
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Work Blue









