#3639B0

#3639B0

Color Values

HEX

#3639B0

RGB

54, 57, 176

HSL

238.5, 53.0%, 45.1%

HSV

238.5, 69.3%, 69.0%

CMYK

69.3%, 67.6%, 0.0%, 31.0%

OKLCH

0.4247 0.1841 274.2

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#3639B0

#B0AD36

Analogous

#3676B0

#7036B0

#3639B0

Triadic

#3639B0

#B03639

#39B036

Split Complementary

#3639B0

#B07036

#76B036

Tetradic

#3639B0

#B03676

#B0AD36

#36B070

Color Blindness Simulation

Original

#3639B0

Protanopia

#373793

Deuteranopia

#37378C

Tritanopia

#367C77

Achromatopsia

#414141

CSS Usage

background-color: #3639B0;
color: #3639B0;
border-color: #3639B0;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C8C9EE
300
#A1A3E2
400
#6F71D3
500
#3C3FC3
600
#30339C
700
#26297D
800
#1E2062
900
#191A48
950
#10112D

Contrast Checker

Text on white

8.86:1

AA Pass AAA Pass

Text on black

2.37:1

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