#3F45AD

#3F45AD

Color Values

HEX

#3F45AD

RGB

63, 69, 173

HSL

236.7, 46.6%, 46.3%

HSV

236.7, 63.6%, 67.8%

CMYK

63.6%, 60.1%, 0.0%, 32.2%

OKLCH

0.4489 0.1633 275.2

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#3F45AD

#ADA73F

Analogous

#3F7CAD

#703FAD

#3F45AD

Triadic

#3F45AD

#AD3F45

#45AD3F

Split Complementary

#3F45AD

#AD703F

#7CAD3F

Tetradic

#3F45AD

#AD3F7C

#ADA73F

#3FAD70

Color Blindness Simulation

Original

#3F45AD

Protanopia

#424294

Deuteranopia

#41418E

Tritanopia

#3F807C

Achromatopsia

#4B4B4B

CSS Usage

background-color: #3F45AD;
color: #3F45AD;
border-color: #3F45AD;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCCEC
300
#A5A8DE
400
#757ACD
500
#444BBB
600
#363C96
700
#2C3078
800
#22255D
900
#1C1E45
950
#12132B

Contrast Checker

Text on white

7.88:1

AA Pass AAA Pass

Text on black

2.67:1

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