#3F30BA

#3F30BA

Color Values

HEX

#3F30BA

RGB

63, 48, 186

HSL

246.5, 59.0%, 45.9%

HSV

246.5, 74.2%, 72.9%

CMYK

66.1%, 74.2%, 0.0%, 27.1%

OKLCH

0.427 0.2042 278.2

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3F30BA

#ABBA30

Analogous

#3066BA

#8430BA

#3F30BA

Triadic

#3F30BA

#BA3F30

#30BA3F

Split Complementary

#3F30BA

#BA8430

#66BA30

Tetradic

#3F30BA

#BA3066

#ABBA30

#30BA84

Color Blindness Simulation

Original

#3F30BA

Protanopia

#393899

Deuteranopia

#393A91

Tritanopia

#3E7E78

Achromatopsia

#3D3D3D

CSS Usage

background-color: #3F30BA;
color: #3F30BA;
border-color: #3F30BA;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F4FB
100
#E6E4F6
200
#CBC6F0
300
#A69EE6
400
#7569D8
500
#4534CB
600
#372AA2
700
#2C2182
800
#221A65
900
#1C174A
950
#120E2F

Contrast Checker

Text on white

8.96:1

AA Pass AAA Pass

Text on black

2.34:1

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