PANTONE 661 UP
Muted Professional Blue
Tints & Shades
Shades — Darkening PANTONE 661 UP
#3F71A6
#3A6798
#325A85
#2B4E73
#264464
#203A55
#192D43
#142334
#0D1721
#060A0F
Tints — Lightening PANTONE 661 UP
#3F71A6
#4A80BA
#5C8DC1
#729DCA
#85AAD1
#9BB9D9
#AEC6E0
#C4D6E9
#D6E3F0
#EDF2F8
Color Harmonies
Complementary
#3F72A8
#A6743F
Analogous
#3FA5A6
#3F72A8
#413FA6
Triadic
#3F72A8
#A63F71
#71A63F
Nearest Pantone Colors
| Swatch | Name | Hex | Distance |
|---|---|---|---|
| PANTONE 3506 U | #4372A8 | ΔE 0.97 | |
| PANTONE P 106-7 U | #3C70A4 | ΔE 1.44 | |
| PANTONE 286 UP | #3D6DA3 | ΔE 2.05 | |
| PANTONE 2145 UP | #366EA3 | ΔE 2.12 |
CSS Implementation
Style Definitions
.color-primary {
background-color: #3F72A8;
color: #FFFFFF;
border: 1px solid #3F72A8;
background: linear-gradient(135deg, #3F72A8 0%, #2B4E73 100%);
}
Accessibility (WCAG)
Contrast on White Text
AA PASSAAA FAIL
Contrast on Black Text
AA FAIL
Recommendation: Use white text for optimal legibility on this color.
Color Blindness Simulation
Protanopia
#5F72AB (Red Blind)
#5F72AB (Red Blind)
Deuteranopia
#5366A7 (Green Blind)
#5366A7 (Green Blind)
Tritanopia
#287E82 (Blue Blind)
#287E82 (Blue Blind)
About This Color
PANTONE 661 UP is a moderately saturated blue with medium tonality. Its HEX value is #3F72A8, placing it in the blue region of the color spectrum with a hue angle of 211°.
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.
Find your next shade.
Convert any HEX, RGB, or Pantone color instantly.