#371C39

#371C39

Color Values

HEX

#371C39

RGB

55, 28, 57

HSL

295.9, 34.1%, 16.7%

HSV

295.9, 50.9%, 22.4%

CMYK

3.5%, 50.9%, 0.0%, 77.6%

OKLCH

0.2763 0.063 324.6

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#371C39

#1E391C

Analogous

#291C39

#391C2D

#371C39

Triadic

#371C39

#39371C

#1C3937

Split Complementary

#371C39

#2D391C

#1C3929

Tetradic

#371C39

#39291C

#1E391C

#1C2D39

Color Blindness Simulation

Original

#371C39

Protanopia

#2B2B32

Deuteranopia

#2D2F30

Tritanopia

#362C2B

Achromatopsia

#242424

CSS Usage

background-color: #371C39;
color: #371C39;
border-color: #371C39;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F9F5FA
100
#F2E8F2
200
#E6CFE7
300
#D4ADD7
400
#BC80C1
500
#A554AB
600
#844389
700
#6A366D
800
#532A55
900
#3D223F
950
#271528

Contrast Checker

Text on white

15.13:1

AA Pass AAA Pass

Text on black

1.39:1

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