#37337C

#37337C

Color Values

HEX

#37337C

RGB

55, 51, 124

HSL

243.3, 41.7%, 34.3%

HSV

243.3, 58.9%, 48.6%

CMYK

55.6%, 58.9%, 0.0%, 51.4%

OKLCH

0.3689 0.12 281.2

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#37337C

#787C33

Analogous

#33537C

#5B337C

#37337C

Triadic

#37337C

#7C3733

#337C37

Split Complementary

#37337C

#7C5B33

#537C33

Tetradic

#37337C

#7C3353

#787C33

#337C5B

Color Blindness Simulation

Original

#37337C

Protanopia

#35356A

Deuteranopia

#363666

Tritanopia

#375C59

Achromatopsia

#393939

CSS Usage

background-color: #37337C;
color: #37337C;
border-color: #37337C;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F5FA
100
#E8E7F3
200
#CECCEA
300
#ABA8DB
400
#7E79C8
500
#504AB5
600
#403B91
700
#333074
800
#28255A
900
#201E43
950
#14132A

Contrast Checker

Text on white

10.9:1

AA Pass AAA Pass

Text on black

1.93:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026