#383D9B

#383D9B

Color Values

HEX

#383D9B

RGB

56, 61, 155

HSL

237.0, 46.9%, 41.4%

HSV

237.0, 63.9%, 60.8%

CMYK

63.9%, 60.6%, 0.0%, 39.2%

OKLCH

0.4143 0.1505 275.4

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#383D9B

#9B9638

Analogous

#386F9B

#65389B

#383D9B

Triadic

#383D9B

#9B383D

#3D9B38

Split Complementary

#383D9B

#9B6538

#6F9B38

Tetradic

#383D9B

#9B386F

#9B9638

#389B65

Color Blindness Simulation

Original

#383D9B

Protanopia

#3A3A84

Deuteranopia

#3A3A7F

Tritanopia

#38726E

Achromatopsia

#434343

CSS Usage

background-color: #383D9B;
color: #383D9B;
border-color: #383D9B;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCCEC
300
#A5A8DF
400
#7479CD
500
#444ABB
600
#363B96
700
#2B2F78
800
#22255E
900
#1C1E45
950
#12132C

Contrast Checker

Text on white

9.1:1

AA Pass AAA Pass

Text on black

2.31:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026