#381C5B

#381C5B

Color Values

HEX

#381C5B

RGB

56, 28, 91

HSL

266.7, 52.9%, 23.3%

HSV

266.7, 69.2%, 35.7%

CMYK

38.5%, 69.2%, 0.0%, 64.3%

OKLCH

0.3017 0.1082 300.4

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#381C5B

#3F5B1C

Analogous

#1C1F5B

#571C5B

#381C5B

Triadic

#381C5B

#5B381C

#1C5B38

Split Complementary

#381C5B

#5B571C

#1F5B1C

Tetradic

#381C5B

#5B1C1F

#3F5B1C

#1C5B57

Color Blindness Simulation

Original

#381C5B

Protanopia

#2C2C4C

Deuteranopia

#2E3048

Tritanopia

#37403D

Achromatopsia

#272727

CSS Usage

background-color: #381C5B;
color: #381C5B;
border-color: #381C5B;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FB
100
#ECE5F5
200
#D9C8EE
300
#BEA1E2
400
#9B6FD3
500
#783CC3
600
#60309C
700
#4D267D
800
#3C1E61
900
#2E1948
950
#1D102D

Contrast Checker

Text on white

14.14:1

AA Pass AAA Pass

Text on black

1.49:1

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