#3131EE

#3131EE

Color Values

HEX

#3131EE

RGB

49, 49, 238

HSL

240.0, 84.8%, 56.3%

HSV

240.0, 79.4%, 93.3%

CMYK

79.4%, 79.4%, 0.0%, 6.7%

OKLCH

0.4753 0.2665 270.2

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#3131EE

#EEEE31

Analogous

#3190EE

#9031EE

#3131EE

Triadic

#3131EE

#EE3131

#31EE31

Split Complementary

#3131EE

#EE9031

#90EE31

Tetradic

#3131EE

#EE3190

#EEEE31

#31EE90

Color Blindness Simulation

Original

#3131EE

Protanopia

#3131C0

Deuteranopia

#3131B5

Tritanopia

#319C94

Achromatopsia

#3F3F3F

CSS Usage

background-color: #3131EE;
color: #3131EE;
border-color: #3131EE;
Nearest Tailwind: Violet 700 #6D28D9

Tailwind Shades

50
#F2F2FD
100
#E0E0FA
200
#BDBDFA
300
#8E8EF6
400
#5151F1
500
#1313EC
600
#1010BC
700
#0C0C97
800
#0A0A76
900
#0B0B55
950
#070736

Contrast Checker

Text on white

7.49:1

AA Pass AAA Pass

Text on black

2.8:1

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