#3B4F69

#3B4F69

Color Values

HEX

#3B4F69

RGB

59, 79, 105

HSL

213.9, 28.0%, 32.2%

HSV

213.9, 43.8%, 41.2%

CMYK

43.8%, 24.8%, 0.0%, 58.8%

OKLCH

0.4222 0.0503 255.2

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3B4F69

#69553B

Analogous

#3B6669

#3E3B69

#3B4F69

Triadic

#3B4F69

#693B4F

#4F693B

Split Complementary

#3B4F69

#693E3B

#66693B

Tetradic

#3B4F69

#693B66

#69553B

#3B693E

Color Blindness Simulation

Original

#3B4F69

Protanopia

#444463

Deuteranopia

#424161

Tritanopia

#3C5E5D

Achromatopsia

#4D4D4D

CSS Usage

background-color: #3B4F69;
color: #3B4F69;
border-color: #3B4F69;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D1DAE5
300
#B1C0D3
400
#869DBB
500
#5C7BA3
600
#496283
700
#3B4F68
800
#2E3D52
900
#242F3D
950
#171E26

Contrast Checker

Text on white

8.37:1

AA Pass AAA Pass

Text on black

2.51:1

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