#3685CF

#3685CF

Color Values

HEX

#3685CF

RGB

54, 133, 207

HSL

209.0, 61.4%, 51.2%

HSV

209.0, 73.9%, 81.2%

CMYK

73.9%, 35.7%, 0.0%, 18.8%

OKLCH

0.6035 0.1365 250.0

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3685CF

#CF8036

Analogous

#36CFCC

#3639CF

#3685CF

Triadic

#3685CF

#CF3685

#85CF36

Split Complementary

#3685CF

#CF3639

#CFCC36

Tetradic

#3685CF

#CC36CF

#CF8036

#39CF36

Color Blindness Simulation

Original

#3685CF

Protanopia

#5859BD

Deuteranopia

#544EB9

Tritanopia

#3AAFAC

Achromatopsia

#7A7A7A

CSS Usage

background-color: #3685CF;
color: #3685CF;
border-color: #3685CF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4EDF6
200
#C5DCF1
300
#9CC3E7
400
#67A3DB
500
#3182CE
600
#2768A5
700
#1F5384
800
#194167
900
#16314B
950
#0E1F30

Contrast Checker

Text on white

3.88:1

AA Fail AAA Fail

Text on black

5.41:1

AA Pass 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