#3F42EC

#3F42EC

Color Values

HEX

#3F42EC

RGB

63, 66, 236

HSL

239.0, 82.0%, 58.6%

HSV

239.0, 73.3%, 92.5%

CMYK

73.3%, 72.0%, 0.0%, 7.5%

OKLCH

0.5018 0.2461 272.4

Properties

Cool Dark Nearest: purple 3

Color Harmonies

Complementary

#3F42EC

#ECE93F

Analogous

#3F98EC

#933FEC

#3F42EC

Triadic

#3F42EC

#EC3F42

#42EC3F

Split Complementary

#3F42EC

#EC933F

#98EC3F

Tetradic

#3F42EC

#EC3F98

#ECE93F

#3FEC93

Color Blindness Simulation

Original

#3F42EC

Protanopia

#4040C3

Deuteranopia

#4040B9

Tritanopia

#3FA29B

Achromatopsia

#4E4E4E

CSS Usage

background-color: #3F42EC;
color: #3F42EC;
border-color: #3F42EC;
Nearest Tailwind: Indigo 600 #4F46E5

Tailwind Shades

50
#F2F2FD
100
#E1E1FA
200
#BEBFF9
300
#9091F4
400
#5356EE
500
#171AE8
600
#1215BA
700
#0F1195
800
#0B0D74
900
#0D0E54
950
#080935

Contrast Checker

Text on white

6.56:1

AA Pass AAA Fail

Text on black

3.2:1

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