PANTONE PQ-3597C

Rich Dark Blue

Technical Values

HEX#21366E

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RGB33, 54, 110

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CMYK70, 51, 0, 57

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HSL224°, 54%, 28%

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Tints & Shades

Shades — Darkening PANTONE PQ-3597C

#21356E

#1D3062

#1A2A56

#17264F

#142043

#101B37

#0D152B

#090F1F

#070B18

#04060C

Tints — Lightening PANTONE PQ-3597C

#21356E

#294389

#3150A5

#3B5FC4

#5676CD

#728CD5

#8DA2DD

#A9B9E5

#C8D2EF

#E4E9F7

Color Harmonies

Complementary

#21366E

#6E5921

Analogous

#215C6E

#21366E

#33216E

Triadic

#21366E

#6E2135

#356E21

Nearest Pantone Colors

Name	Hex	Distance
PANTONE PQ-8783C	#1D366D	ΔE 1.21
PANTONE 8782 C	#1E3671	ΔE 1.93
PANTONE 2758 CP	#1E3267	ΔE 2.42
PANTONE Mazarine Blue	#273C76	ΔE 2.79

CSS Implementation

Style Definitions

.color-primary {

background-color: #21366E;

color: #FFFFFF;

border: 1px solid #21366E;

background: linear-gradient(135deg, #21366E 0%, #17264F 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
#273971 (Red Blind)

Deuteranopia
#22336D (Green Blind)

Tritanopia
#124047 (Blue Blind)

About This Color

PANTONE PQ-3597C is a moderately saturated blue with dark tonality. Its HEX value is #21366E, placing it in the blue region of the color spectrum with a hue angle of 224°.

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

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