#373F7C

#373F7C

Color Values

HEX

#373F7C

RGB

55, 63, 124

HSL

233.0, 38.5%, 35.1%

HSV

233.0, 55.6%, 48.6%

CMYK

55.6%, 49.2%, 0.0%, 51.4%

OKLCH

0.3936 0.1025 275.1

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#373F7C

#7C7437

Analogous

#37627C

#51377C

#373F7C

Triadic

#373F7C

#7C373F

#3F7C37

Split Complementary

#373F7C

#7C5137

#627C37

Tetradic

#373F7C

#7C3762

#7C7437

#377C51

Color Blindness Simulation

Original

#373F7C

Protanopia

#3A3B6D

Deuteranopia

#3A396A

Tritanopia

#37625F

Achromatopsia

#424242

CSS Usage

background-color: #373F7C;
color: #373F7C;
border-color: #373F7C;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E9F3
200
#CED1E9
300
#AAB0D9
400
#7C85C5
500
#4E5AB1
600
#3F488D
700
#323A71
800
#272D58
900
#202441
950
#141629

Contrast Checker

Text on white

9.7:1

AA Pass AAA Pass

Text on black

2.16:1

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