#3F45F0

#3F45F0

Color Values

HEX

#3F45F0

RGB

63, 69, 240

HSL

238.0, 85.5%, 59.4%

HSV

238.0, 73.8%, 94.1%

CMYK

73.8%, 71.2%, 0.0%, 5.9%

OKLCH

0.51 0.2479 271.9

Properties

Cool Dark Nearest: blueviolet

Color Harmonies

Complementary

#3F45F0

#F0EA3F

Analogous

#3F9DF0

#923FF0

#3F45F0

Triadic

#3F45F0

#F03F45

#45F03F

Split Complementary

#3F45F0

#F0923F

#9DF03F

Tetradic

#3F45F0

#F03F9D

#F0EA3F

#3FF092

Color Blindness Simulation

Original

#3F45F0

Protanopia

#4242C7

Deuteranopia

#4141BD

Tritanopia

#3FA69F

Achromatopsia

#505050

CSS Usage

background-color: #3F45F0;
color: #3F45F0;
border-color: #3F45F0;
Nearest Tailwind: Indigo 600 #4F46E5

Tailwind Shades

50
#F2F2FD
100
#E0E1FA
200
#BDBFFA
300
#8D91F6
400
#5055F1
500
#121AED
600
#0F15BD
700
#0C1097
800
#090D76
900
#0B0E56
950
#070936

Contrast Checker

Text on white

6.32:1

AA Pass AAA Fail

Text on black

3.32:1

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