PANTONE 646 U

Muted Professional Blue

Technical Values

HEX#638DB0

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RGB99, 141, 176

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CMYK44, 20, 0, 31

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HSL207°, 33%, 54%

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Tints & Shades

Shades — Darkening PANTONE 646 U

#638EB0

#5481A6

#497192

#416481

#37546D

#2E475C

#263A4B

#1B2A36

#131D25

#090D11

Tints — Lightening PANTONE 646 U

#638EB0

#749AB9

#82A4C0

#92B0C8

#A0BACF

#B1C6D8

#C2D3E0

#D0DCE7

#E0E9F0

#EEF3F6

Color Harmonies

Complementary

#638DB0

#B08663

Analogous

#63B0AD

#638DB0

#6367B0

Triadic

#638DB0

#B0638E

#8EB063

Nearest Pantone Colors

Name	Hex	Distance
PANTONE 10257 C	#628BAC	ΔE 1.34
PANTONE 16-4021 TPG	#688EB1	ΔE 1.37
PANTONE 16-4018 TPG	#668BAC	ΔE 1.89
PANTONE 16-4021 TPX	#6892B6	ΔE 1.99

CSS Implementation

Style Definitions

.color-primary {

background-color: #638DB0;

color: #000000;

border: 1px solid #638DB0;

background: linear-gradient(135deg, #638DB0 0%, #416481 100%);

}

Accessibility (WCAG)

Contrast on White Text

AA FAIL

Contrast on Black Text

AA PASSAAA FAIL

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

Color Blindness Simulation

Protanopia
#7F8CB2 (Red Blind)

Deuteranopia
#7683AF (Green Blind)

Tritanopia
#529597 (Blue Blind)

About This Color

PANTONE 646 U is a desaturated blue with medium tonality. Its HEX value is #638DB0, placing it in the blue region of the color spectrum with a hue angle of 207°.

This mid-range tone offers excellent versatility, working in both digital interfaces and print applications. It provides strong visual impact while maintaining readability when paired with light or dark text.

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