#3F41CE

#3F41CE

Color Values

HEX

#3F41CE

RGB

63, 65, 206

HSL

239.2, 59.3%, 52.7%

HSV

239.2, 69.4%, 80.8%

CMYK

69.4%, 68.4%, 0.0%, 19.2%

OKLCH

0.4713 0.211 274.1

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3F41CE

#CECC3F

Analogous

#3F88CE

#843FCE

#3F41CE

Triadic

#3F41CE

#CE3F41

#41CE3F

Split Complementary

#3F41CE

#CE843F

#88CE3F

Tetradic

#3F41CE

#CE3F88

#CECC3F

#3FCE84

Color Blindness Simulation

Original

#3F41CE

Protanopia

#4040AC

Deuteranopia

#4040A4

Tritanopia

#3F918B

Achromatopsia

#4B4B4B

CSS Usage

background-color: #3F41CE;
color: #3F41CE;
border-color: #3F41CE;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F4FB
100
#E4E4F6
200
#C6C7F0
300
#9E9EE6
400
#696AD9
500
#3436CB
600
#2A2BA2
700
#212382
800
#1A1B66
900
#17174A
950
#0E0F2F

Contrast Checker

Text on white

7.35:1

AA Pass AAA Pass

Text on black

2.86:1

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