PANTONE 3577 UP

Muted Professional Blue

Technical Values

HEX#81B1D1

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RGB129, 177, 209

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CMYK38, 15, 0, 18

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HSL204°, 47%, 66%

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Tints & Shades

Shades — Darkening PANTONE 3577 UP

#80B0D1

#65A0C8

#4F92BF

#3E80AC

#367096

#2D5C7C

#234961

#1B384B

#122431

#09141A

Tints — Lightening PANTONE 3577 UP

#80B0D1

#8BB7D5

#9AC1DB

#A5C8DF

#B4D1E4

#BFD8E8

#CBDFEC

#DAE8F1

#E5EFF6

#F4F8FB

Color Harmonies

Complementary

#81B1D1

#D1A080

Analogous

#80D1C9

#81B1D1

#8088D1

Triadic

#81B1D1

#D180B0

#B0D180

Nearest Pantone Colors

Name	Hex	Distance
PANTONE 2169 C	#81B0D2	ΔE 1.19
PANTONE PQ-3577C	#85B3D1	ΔE 1.47
PANTONE P 113-3 U	#80AECC	ΔE 1.56
PANTONE 83-1-1 CP	#80B2CF	ΔE 1.79

CSS Implementation

Style Definitions

.color-primary {

background-color: #81B1D1;

color: #000000;

border: 1px solid #81B1D1;

background: linear-gradient(135deg, #81B1D1 0%, #3E80AC 100%);

}

Accessibility (WCAG)

Contrast on White Text

AA FAIL

Contrast on Black Text

AA PASSAAA PASS

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

Color Blindness Simulation

Protanopia
#A3AFD3 (Red Blind)

Deuteranopia
#98A5D1 (Green Blind)

Tritanopia
#6FB9BA (Blue Blind)

About This Color

PANTONE 3577 UP is a moderately saturated blue with bright tonality. Its HEX value is #81B1D1, placing it in the blue region of the color spectrum with a hue angle of 204°.

This lighter shade is well-suited for backgrounds, accent areas, and designs that require an open, airy feel. It pairs naturally with darker neutrals for contrast.

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