#393987

#393987

Color Values

HEX

#393987

RGB

57, 57, 135

HSL

240.0, 40.6%, 37.6%

HSV

240.0, 57.8%, 52.9%

CMYK

57.8%, 57.8%, 0.0%, 47.1%

OKLCH

0.391 0.1272 278.8

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#393987

#878739

Analogous

#396087

#603987

#393987

Triadic

#393987

#873939

#398739

Split Complementary

#393987

#876039

#608739

Tetradic

#393987

#873960

#878739

#398760

Color Blindness Simulation

Original

#393987

Protanopia

#393974

Deuteranopia

#393970

Tritanopia

#396562

Achromatopsia

#3F3F3F

CSS Usage

background-color: #393987;
color: #393987;
border-color: #393987;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CDCDEA
300
#A9A9DB
400
#7A7AC7
500
#4C4CB3
600
#3D3D8F
700
#303073
800
#26265A
900
#1F1F42
950
#13132A

Contrast Checker

Text on white

9.96:1

AA Pass AAA Pass

Text on black

2.11:1

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