PANTONE 63-3-1 C

Rich Professional Blue

Technical Values

HEX#173981

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RGB23, 57, 129

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CMYK82, 56, 0, 49

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HSL221°, 70%, 30%

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Tints & Shades

Shades — Darkening PANTONE 63-3-1 C

#173982

#153375

#122D68

#10285B

#0E224E

#0B1C41

#091734

#071127

#050B1A

#02060D

Tints — Lightening PANTONE 63-3-1 C

#173982

#1C46A0

#2253BF

#2B62DA

#4978DF

#678FE4

#86A5EA

#A4BCEF

#C2D2F4

#E1E9FA

Color Harmonies

Complementary

#173981

#826017

Analogous

#176E82

#173981

#2B1782

Triadic

#173981

#821739

#398217

Nearest Pantone Colors

Name	Hex	Distance
PANTONE 59-1-7 CP	#123780	ΔE 1.21
PANTONE 2748 CP	#1C377C	ΔE 2.11
PANTONE 63-3-1 CP	#0D367B	ΔE 2.36
PANTONE 3591 CP	#00377E	ΔE 2.46

CSS Implementation

Style Definitions

.color-primary {

background-color: #173981;

color: #FFFFFF;

border: 1px solid #173981;

background: linear-gradient(135deg, #173981 0%, #10285B 100%);

}

Accessibility (WCAG)

Contrast on White Text

AA PASSAAA PASS

Contrast on Black Text

AA FAIL

Recommendation: Use white text for optimal legibility on this color.

Color Blindness Simulation

Protanopia
#253C85 (Red Blind)

Deuteranopia
#1C337F (Green Blind)

Tritanopia
#01464F (Blue Blind)

About This Color

PANTONE 63-3-1 C is a moderately saturated blue with dark tonality. Its HEX value is #173981, placing it in the blue region of the color spectrum with a hue angle of 221°.

This darker shade conveys depth and authority, making it ideal for premium branding, typographic elements, and high-contrast design compositions.

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