#3737EB

#3737EB

Color Values

HEX

#3737EB

RGB

55, 55, 235

HSL

240.0, 81.8%, 56.9%

HSV

240.0, 76.6%, 92.2%

CMYK

76.6%, 76.6%, 0.0%, 7.8%

OKLCH

0.482 0.2568 271.4

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#3737EB

#EBEB37

Analogous

#3791EB

#9137EB

#3737EB

Triadic

#3737EB

#EB3737

#37EB37

Split Complementary

#3737EB

#EB9137

#91EB37

Tetradic

#3737EB

#EB3791

#EBEB37

#37EB91

Color Blindness Simulation

Original

#3737EB

Protanopia

#3737BF

Deuteranopia

#3737B5

Tritanopia

#379D96

Achromatopsia

#444444

CSS Usage

background-color: #3737EB;
color: #3737EB;
border-color: #3737EB;
Nearest Tailwind: Indigo 600 #4F46E5

Tailwind Shades

50
#F2F2FD
100
#E1E1FA
200
#BEBEF9
300
#9090F4
400
#5353EE
500
#1717E8
600
#1313B9
700
#0F0F94
800
#0C0C74
900
#0D0D54
950
#080835

Contrast Checker

Text on white

7.22:1

AA Pass AAA Pass

Text on black

2.91:1

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