#37566B

#37566B

Color Values

HEX

#37566B

RGB

55, 86, 107

HSL

204.2, 32.1%, 31.8%

HSV

204.2, 48.6%, 42.0%

CMYK

48.6%, 19.6%, 0.0%, 58.0%

OKLCH

0.438 0.0505 239.1

Properties

Cool Dark Nearest: RAL 5025 Pearl Gentian Blue

Color Harmonies

Complementary

#37566B

#6B4C37

Analogous

#376B66

#373C6B

#37566B

Triadic

#37566B

#6B3756

#566B37

Split Complementary

#37566B

#6B373C

#6B6637

Tetradic

#37566B

#66376B

#6B4C37

#3C6B37

Color Blindness Simulation

Original

#37566B

Protanopia

#444566

Deuteranopia

#434065

Tritanopia

#396261

Achromatopsia

#515151

CSS Usage

background-color: #37566B;
color: #37566B;
border-color: #37566B;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F8F9
100
#E8EEF2
200
#D0DEE7
300
#AEC6D5
400
#82A7BF
500
#5787A8
600
#456C87
700
#37576C
800
#2B4454
900
#22333E
950
#162027

Contrast Checker

Text on white

7.76:1

AA Pass AAA Pass

Text on black

2.71:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026