#373C7A

#373C7A

Color Values

HEX

#373C7A

RGB

55, 60, 122

HSL

235,5, 37,9%, 34,7%

HSV

235,5, 54,9%, 47,8%

CMYK

54,9%, 50,8%, 0,0%, 52,2%

OKLCH

0,3857 0,1038 276,9

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#373C7A

#7A7537

Analogous

#375E7A

#53377A

#373C7A

Triadic

#373C7A

#7A373C

#3C7A37

Split Complementary

#373C7A

#7A5337

#5E7A37

Tetradic

#373C7A

#7A375E

#7A7537

#377A53

Color Blindness Simulation

Original

#373C7A

Protanopia

#39396B

Deuteranopia

#393867

Tritanopia

#375F5D

Achromatopsia

#3F3F3F

CSS Usage

background-color: #373C7A;
color: #373C7A;
border-color: #373C7A;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CED0E9
300
#ABAED9
400
#7D82C4
500
#4F56B0
600
#3F458D
700
#333771
800
#282B58
900
#202241
950
#141629

Contrast Checker

Text on white

10,05:1

AA Pass AAA Pass

Text on black

2,09:1

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