#373AD8

#373AD8

Color Values

HEX

#373AD8

RGB

55, 58, 216

HSL

238.9, 67.4%, 53.1%

HSV

238.9, 74.5%, 84.7%

CMYK

74.5%, 73.1%, 0.0%, 15.3%

OKLCH

0.4661 0.2322 272.1

Properties

Cool Dark Nearest: purple 3

Color Harmonies

Complementary

#373AD8

#D8D537

Analogous

#378AD8

#8437D8

#373AD8

Triadic

#373AD8

#D8373A

#3AD837

Split Complementary

#373AD8

#D88437

#8AD837

Tetradic

#373AD8

#D8378A

#D8D537

#37D884

Color Blindness Simulation

Original

#373AD8

Protanopia

#3838B2

Deuteranopia

#3838A9

Tritanopia

#37948D

Achromatopsia

#454545

CSS Usage

background-color: #373AD8;
color: #373AD8;
border-color: #373AD8;
Nearest Tailwind: Indigo 600 #4F46E5

Tailwind Shades

50
#F3F3FC
100
#E3E3F7
200
#C3C4F3
300
#999AEB
400
#6163E0
500
#2A2DD5
600
#2124AB
700
#1B1D89
800
#15166B
900
#13144E
950
#0C0D31

Contrast Checker

Text on white

7.61:1

AA Pass AAA Pass

Text on black

2.76:1

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