#3F3EB1

#3F3EB1

Color Values

HEX

#3F3EB1

RGB

63, 62, 177

HSL

240.5, 48.1%, 46.9%

HSV

240.5, 65.0%, 69.4%

CMYK

64.4%, 65.0%, 0.0%, 30.6%

OKLCH

0.4399 0.1774 276.6

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#3F3EB1

#B0B13E

Analogous

#3E77B1

#793EB1

#3F3EB1

Triadic

#3F3EB1

#B13F3E

#3EB13F

Split Complementary

#3F3EB1

#B1793E

#77B13E

Tetradic

#3F3EB1

#B13E77

#B0B13E

#3EB179

Color Blindness Simulation

Original

#3F3EB1

Protanopia

#3F3F95

Deuteranopia

#3F3F8E

Tritanopia

#3F7F7A

Achromatopsia

#474747

CSS Usage

background-color: #3F3EB1;
color: #3F3EB1;
border-color: #3F3EB1;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CACAEC
300
#A5A4DF
400
#7473CE
500
#4342BD
600
#363597
700
#2B2A79
800
#22215E
900
#1C1B45
950
#12112C

Contrast Checker

Text on white

8.28:1

AA Pass AAA Pass

Text on black

2.54:1

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