#3F5572

#3F5572

Color Values

HEX

#3F5572

RGB

63, 85, 114

HSL

214.1, 28.8%, 34.7%

HSV

214.1, 44.7%, 44.7%

CMYK

44.7%, 25.4%, 0.0%, 55.3%

OKLCH

0.444 0.0552 255.6

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F5572

#725C3F

Analogous

#3F6E72

#423F72

#3F5572

Triadic

#3F5572

#723F55

#55723F

Split Complementary

#3F5572

#72423F

#6E723F

Tetradic

#3F5572

#723F6E

#725C3F

#3F7242

Color Blindness Simulation

Original

#3F5572

Protanopia

#49496B

Deuteranopia

#474669

Tritanopia

#406564

Achromatopsia

#525252

CSS Usage

background-color: #3F5572;
color: #3F5572;
border-color: #3F5572;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F7F9
100
#E9EDF2
200
#D1DAE6
300
#B0BFD3
400
#859DBC
500
#5B7AA4
600
#496283
700
#3A4E69
800
#2D3D52
900
#242F3D
950
#171E27

Contrast Checker

Text on white

7.63:1

AA Pass AAA Pass

Text on black

2.75:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026