#3F526B

#3F526B

Color Values

HEX

#3F526B

RGB

63, 82, 107

HSL

214.1, 25.9%, 33.3%

HSV

214.1, 41.1%, 42.0%

CMYK

41.1%, 23.4%, 0.0%, 58.0%

OKLCH

0.4333 0.0479 255.5

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F526B

#6B583F

Analogous

#3F686B

#423F6B

#3F526B

Triadic

#3F526B

#6B3F52

#526B3F

Split Complementary

#3F526B

#6B423F

#686B3F

Tetradic

#3F526B

#6B3F68

#6B583F

#3F6B42

Color Blindness Simulation

Original

#3F526B

Protanopia

#474765

Deuteranopia

#464563

Tritanopia

#40605F

Achromatopsia

#505050

CSS Usage

background-color: #3F526B;
color: #3F526B;
border-color: #3F526B;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DAE5
300
#B2C0D2
400
#889DB9
500
#5E7BA1
600
#4C6280
700
#3C4F67
800
#2F3D50
900
#252F3C
950
#171E26

Contrast Checker

Text on white

7.98:1

AA Pass AAA Pass

Text on black

2.63:1

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