#3D6599

#3D6599

Color Values

HEX

#3D6599

RGB

61, 101, 153

HSL

213.9, 43.0%, 42.0%

HSV

213.9, 60.1%, 60.0%

CMYK

60.1%, 34.0%, 0.0%, 40.0%

OKLCH

0.5017 0.0951 255.6

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#3D6599

#99713D

Analogous

#3D9399

#433D99

#3D6599

Triadic

#3D6599

#993D65

#65993D

Split Complementary

#3D6599

#99433D

#93993D

Tetradic

#3D6599

#993D93

#99713D

#3D9943

Color Blindness Simulation

Original

#3D6599

Protanopia

#4E4F8C

Deuteranopia

#4C4989

Tritanopia

#3F8280

Achromatopsia

#606060

CSS Usage

background-color: #3D6599;
color: #3D6599;
border-color: #3D6599;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F7FA
100
#E7ECF4
200
#CCD9EB
300
#A7BEDC
400
#789BC9
500
#4978B6
600
#3A6092
700
#2F4D75
800
#243C5B
900
#1E2E43
950
#131D2A

Contrast Checker

Text on white

5.97:1

AA Pass AAA Fail

Text on black

3.52:1

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