#42596C

#42596C

Color Values

HEX

#42596C

RGB

66, 89, 108

HSL

207.1, 24.1%, 34.1%

HSV

207.1, 38.9%, 42.4%

CMYK

38.9%, 17.6%, 0.0%, 57.6%

OKLCH

0.453 0.0419 243.8

Properties

Cool Dark Nearest: RAL 5025 Pearl Gentian Blue

Color Harmonies

Complementary

#42596C

#6C5542

Analogous

#426C6A

#42446C

#42596C

Triadic

#42596C

#6C4259

#596C42

Split Complementary

#42596C

#6C4244

#6C6A42

Tetradic

#42596C

#6A426C

#6C5542

#446C42

Color Blindness Simulation

Original

#42596C

Protanopia

#4C4C67

Deuteranopia

#4B4966

Tritanopia

#436463

Achromatopsia

#555555

CSS Usage

background-color: #42596C;
color: #42596C;
border-color: #42596C;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D3DCE4
300
#B3C3D1
400
#8AA3B7
500
#61829E
600
#4D687F
700
#3E5465
800
#30414F
900
#26313B
950
#181F25

Contrast Checker

Text on white

7.3:1

AA Pass AAA Pass

Text on black

2.88:1

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