#371D45

#371D45

Color Values

HEX

#371D45

RGB

55, 29, 69

HSL

279.0, 40.8%, 19.2%

HSV

279.0, 58.0%, 27.1%

CMYK

20.3%, 58.0%, 0.0%, 72.9%

OKLCH

0.2856 0.0766 312.5

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#371D45

#2B451D

Analogous

#231D45

#451D3F

#371D45

Triadic

#371D45

#45371D

#1D4537

Split Complementary

#371D45

#3F451D

#1D4523

Tetradic

#371D45

#45231D

#2B451D

#1D3F45

Color Blindness Simulation

Original

#371D45

Protanopia

#2C2C3B

Deuteranopia

#2D2F39

Tritanopia

#363432

Achromatopsia

#252525

CSS Usage

background-color: #371D45;
color: #371D45;
border-color: #371D45;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F5FA
100
#EFE7F3
200
#E0CDEA
300
#C9A9DB
400
#AC7AC7
500
#8F4BB4
600
#723C90
700
#5C3073
800
#48265A
900
#361F42
950
#22132A

Contrast Checker

Text on white

14.75:1

AA Pass AAA Pass

Text on black

1.42:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026