#383783

#383783

Color Values

HEX

#383783

RGB

56, 55, 131

HSL

240.8, 40.9%, 36.5%

HSV

240.8, 58.0%, 51.4%

CMYK

57.3%, 58.0%, 0.0%, 48.6%

OKLCH

0.3831 0.1244 279.4

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#383783

#828337

Analogous

#375C83

#5E3783

#383783

Triadic

#383783

#833837

#378338

Split Complementary

#383783

#835E37

#5C8337

Tetradic

#383783

#83375C

#828337

#37835E

Color Blindness Simulation

Original

#383783

Protanopia

#383871

Deuteranopia

#38386C

Tritanopia

#38625F

Achromatopsia

#3D3D3D

CSS Usage

background-color: #383783;
color: #383783;
border-color: #383783;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CDCDEA
300
#A9A9DB
400
#7B7AC7
500
#4D4BB4
600
#3D3C90
700
#313073
800
#26265A
900
#1F1F42
950
#14132A

Contrast Checker

Text on white

10.28:1

AA Pass AAA Pass

Text on black

2.04:1

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