#381748

#381748

Color Values

HEX

#381748

RGB

56, 23, 72

HSL

280.4, 51.6%, 18.6%

HSV

280.4, 68.1%, 28.2%

CMYK

22.2%, 68.1%, 0.0%, 71.8%

OKLCH

0.279 0.092 313.1

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#381748

#274817

Analogous

#1F1748

#48173F

#381748

Triadic

#381748

#483817

#174838

Split Complementary

#381748

#3F4817

#17481F

Tetradic

#381748

#481F17

#274817

#173F48

Color Blindness Simulation

Original

#381748

Protanopia

#2A293C

Deuteranopia

#2C2E39

Tritanopia

#363331

Achromatopsia

#222222

CSS Usage

background-color: #381748;
color: #381748;
border-color: #381748;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F9F4FB
100
#F0E5F5
200
#E2C9EE
300
#CDA2E1
400
#B270D1
500
#963EC1
600
#78319B
700
#60277C
800
#4B1F61
900
#381A47
950
#24102D

Contrast Checker

Text on white

15.17:1

AA Pass AAA Pass

Text on black

1.38:1

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