#373DB1

#373DB1

Color Values

HEX

#373DB1

RGB

55, 61, 177

HSL

237.0, 52.6%, 45.5%

HSV

237.0, 68.9%, 69.4%

CMYK

68.9%, 65.5%, 0.0%, 30.6%

OKLCH

0.433 0.1805 273.7

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#373DB1

#B1AB37

Analogous

#377AB1

#6E37B1

#373DB1

Triadic

#373DB1

#B1373D

#3DB137

Split Complementary

#373DB1

#B16E37

#7AB137

Tetradic

#373DB1

#B1377A

#B1AB37

#37B16E

Color Blindness Simulation

Original

#373DB1

Protanopia

#3A3A95

Deuteranopia

#39398E

Tritanopia

#377F7A

Achromatopsia

#444444

CSS Usage

background-color: #373DB1;
color: #373DB1;
border-color: #373DB1;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C9CAEE
300
#A2A5E2
400
#6F74D2
500
#3C43C3
600
#30369C
700
#272B7D
800
#1E2261
900
#1A1C47
950
#10122D

Contrast Checker

Text on white

8.52:1

AA Pass AAA Pass

Text on black

2.46:1

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