#373D63

#373D63

Color Values

HEX

#373D63

RGB

55, 61, 99

HSL

231.8, 28.6%, 30.2%

HSV

231.8, 44.4%, 38.8%

CMYK

44.4%, 38.4%, 0.0%, 61.2%

OKLCH

0.3728 0.0656 275.9

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#373D63

#635D37

Analogous

#375363

#473763

#373D63

Triadic

#373D63

#63373D

#3D6337

Split Complementary

#373D63

#634737

#536337

Tetradic

#373D63

#633753

#635D37

#376347

Color Blindness Simulation

Original

#373D63

Protanopia

#3A3A5A

Deuteranopia

#393958

Tritanopia

#375351

Achromatopsia

#3E3E3E

CSS Usage

background-color: #373D63;
color: #373D63;
border-color: #373D63;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F6F9
100
#E9EAF1
200
#D1D4E6
300
#B0B5D3
400
#868DBC
500
#5B65A4
600
#495183
700
#3A4169
800
#2E3352
900
#24273D
950
#171926

Contrast Checker

Text on white

10.45:1

AA Pass AAA Pass

Text on black

2.01:1

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