#373AD0

#373AD0

Color Values

HEX

#373AD0

RGB

55, 58, 208

HSL

238.8, 61.9%, 51.6%

HSV

238.8, 73.6%, 81.6%

CMYK

73.6%, 72.1%, 0.0%, 18.4%

OKLCH

0.458 0.2227 272.5

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#373AD0

#D0CD37

Analogous

#3787D0

#8137D0

#373AD0

Triadic

#373AD0

#D0373A

#3AD037

Split Complementary

#373AD0

#D08137

#87D037

Tetradic

#373AD0

#D03787

#D0CD37

#37D081

Color Blindness Simulation

Original

#373AD0

Protanopia

#3838AC

Deuteranopia

#3838A3

Tritanopia

#378F89

Achromatopsia

#444444

CSS Usage

background-color: #373AD0;
color: #373AD0;
border-color: #373AD0;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FB
100
#E4E4F7
200
#C5C6F1
300
#9C9DE8
400
#6669DB
500
#3134CE
600
#2729A5
700
#1F2184
800
#181A67
900
#15174B
950
#0E0E30

Contrast Checker

Text on white

7.84:1

AA Pass AAA Pass

Text on black

2.68:1

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