#3F536E

#3F536E

Color Values

HEX

#3F536E

RGB

63, 83, 110

HSL

214.5, 27.2%, 33.9%

HSV

214.5, 42.7%, 43.1%

CMYK

42.7%, 24.5%, 0.0%, 56.9%

OKLCH

0.4372 0.0513 256.1

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F536E

#6E5A3F

Analogous

#3F6A6E

#423F6E

#3F536E

Triadic

#3F536E

#6E3F53

#536E3F

Split Complementary

#3F536E

#6E423F

#6A6E3F

Tetradic

#3F536E

#6E3F6A

#6E5A3F

#3F6E42

Color Blindness Simulation

Original

#3F536E

Protanopia

#484867

Deuteranopia

#464566

Tritanopia

#406261

Achromatopsia

#515151

CSS Usage

background-color: #3F536E;
color: #3F536E;
border-color: #3F536E;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DAE5
300
#B1BFD2
400
#879DBA
500
#5D7AA2
600
#4A6282
700
#3B4E68
800
#2E3D51
900
#252F3C
950
#171D26

Contrast Checker

Text on white

7.85:1

AA Pass AAA Pass

Text on black

2.67:1

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