#381F4D

#381F4D

Color Values

HEX

#381F4D

RGB

56, 31, 77

HSL

272,6, 42,6%, 21,2%

HSV

272,6, 59,7%, 30,2%

CMYK

27,3%, 59,7%, 0,0%, 69,8%

OKLCH

0,2961 0,0841 307,1

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#381F4D

#344D1F

Analogous

#211F4D

#4D1F4B

#381F4D

Triadic

#381F4D

#4D381F

#1F4D38

Split Complementary

#381F4D

#4B4D1F

#1F4D21

Tetradic

#381F4D

#4D211F

#344D1F

#1F4B4D

Color Blindness Simulation

Original

#381F4D

Protanopia

#2D2D42

Deuteranopia

#2F303F

Tritanopia

#373937

Achromatopsia

#282828

CSS Usage

background-color: #381F4D;
color: #381F4D;
border-color: #381F4D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F5FA
100
#EEE7F4
200
#DDCCEB
300
#C4A8DC
400
#A478C9
500
#8449B6
600
#6A3B91
700
#552F74
800
#42255B
900
#321E43
950
#20132A

Contrast Checker

Text on white

14,27:1

AA Pass AAA Pass

Text on black

1,47:1

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