#373DB6

#373DB6

Color Values

HEX

#373DB6

RGB

55, 61, 182

HSL

237.2, 53.6%, 46.5%

HSV

237.2, 69.8%, 71.4%

CMYK

69.8%, 66.5%, 0.0%, 28.6%

OKLCH

0.4376 0.187 273.5

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#373DB6

#B6B037

Analogous

#377DB6

#7137B6

#373DB6

Triadic

#373DB6

#B6373D

#3DB637

Split Complementary

#373DB6

#B67137

#7DB637

Tetradic

#373DB6

#B6377D

#B6B037

#37B671

Color Blindness Simulation

Original

#373DB6

Protanopia

#3A3A99

Deuteranopia

#393992

Tritanopia

#37827D

Achromatopsia

#444444

CSS Usage

background-color: #373DB6;
color: #373DB6;
border-color: #373DB6;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C8CAEE
300
#A1A4E3
400
#6E73D3
500
#3B42C4
600
#2F349D
700
#262A7D
800
#1E2162
900
#191B48
950
#10112D

Contrast Checker

Text on white

8.38:1

AA Pass AAA Pass

Text on black

2.51:1

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