#3D5571

#3D5571

Color Values

HEX

#3D5571

RGB

61, 85, 113

HSL

212.3, 29.9%, 34.1%

HSV

212.3, 46.0%, 44.3%

CMYK

46.0%, 24.8%, 0.0%, 55.7%

OKLCH

0.4422 0.0549 252.8

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3D5571

#71593D

Analogous

#3D6F71

#3F3D71

#3D5571

Triadic

#3D5571

#713D55

#55713D

Split Complementary

#3D5571

#713F3D

#6F713D

Tetradic

#3D5571

#713D6F

#71593D

#3D713F

Color Blindness Simulation

Original

#3D5571

Protanopia

#47486A

Deuteranopia

#464469

Tritanopia

#3E6564

Achromatopsia

#525252

CSS Usage

background-color: #3D5571;
color: #3D5571;
border-color: #3D5571;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F7F9
100
#E9EDF2
200
#D1DAE6
300
#B0C0D4
400
#849EBD
500
#597DA6
600
#486484
700
#39506A
800
#2D3E53
900
#232F3D
950
#161E27

Contrast Checker

Text on white

7.67:1

AA Pass AAA Pass

Text on black

2.74:1

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