#3138CE

#3138CE

Color Values

HEX

#3138CE

RGB

49, 56, 206

HSL

237.3, 61.6%, 50.0%

HSV

237.3, 76.2%, 80.8%

CMYK

76.2%, 72.8%, 0.0%, 19.2%

OKLCH

0.4499 0.2238 271.1

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3138CE

#CEC731

Analogous

#3187CE

#7831CE

#3138CE

Triadic

#3138CE

#CE3138

#38CE31

Split Complementary

#3138CE

#CE7831

#87CE31

Tetradic

#3138CE

#CE3187

#CEC731

#31CE78

Color Blindness Simulation

Original

#3138CE

Protanopia

#3434AA

Deuteranopia

#3433A1

Tritanopia

#318D87

Achromatopsia

#414141

CSS Usage

background-color: #3138CE;
color: #3138CE;
border-color: #3138CE;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F4FB
100
#E4E5F6
200
#C5C7F1
300
#9C9FE7
400
#676CDB
500
#3138CE
600
#272DA5
700
#1F2484
800
#181C67
900
#16184B
950
#0E0F30

Contrast Checker

Text on white

8.12:1

AA Pass AAA Pass

Text on black

2.59:1

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