#381637

#381637

Color Values

HEX

#381637

RGB

56, 22, 55

HSL

301.8, 43.6%, 15.3%

HSV

301.8, 60.7%, 22.0%

CMYK

0.0%, 60.7%, 1.8%, 78.0%

OKLCH

0.266 0.0738 328.5

Properties

Warm Dark Nearest: RAL 4007 Purple Violet

Color Harmonies

Complementary

#381637

#163817

Analogous

#281638

#381626

#381637

Triadic

#381637

#373816

#163738

Split Complementary

#381637

#263816

#163828

Tetradic

#381637

#382816

#163817

#162638

Color Blindness Simulation

Original

#381637

Protanopia

#29292F

Deuteranopia

#2B2E2D

Tritanopia

#362927

Achromatopsia

#202020

CSS Usage

background-color: #381637;
color: #381637;
border-color: #381637;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#FAF5FA
100
#F4E7F3
200
#EBCCEA
300
#DCA7DB
400
#CA78C7
500
#B748B4
600
#923A90
700
#752E73
800
#5C245A
900
#431D42
950
#2B132A

Contrast Checker

Text on white

15.69:1

AA Pass AAA Pass

Text on black

1.34:1

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