#3F88CF

#3F88CF

Color Values

HEX

#3F88CF

RGB

63, 136, 207

HSL

209.6, 60.0%, 52.9%

HSV

209.6, 69.6%, 81.2%

CMYK

69.6%, 34.3%, 0.0%, 18.8%

OKLCH

0.6134 0.1304 250.2

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3F88CF

#CF863F

Analogous

#3FCFCE

#3F40CF

#3F88CF

Triadic

#3F88CF

#CF3F88

#88CF3F

Split Complementary

#3F88CF

#CF3F40

#CFCE3F

Tetradic

#3F88CF

#CE3FCF

#CF863F

#40CF3F

Color Blindness Simulation

Original

#3F88CF

Protanopia

#5F5FBE

Deuteranopia

#5A55BA

Tritanopia

#43B0AD

Achromatopsia

#7E7E7E

CSS Usage

background-color: #3F88CF;
color: #3F88CF;
border-color: #3F88CF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4EDF6
200
#C6DCF1
300
#9DC2E7
400
#68A1D9
500
#3381CC
600
#2967A3
700
#215283
800
#1A4066
900
#16314B
950
#0E1F2F

Contrast Checker

Text on white

3.73:1

AA Fail AAA Fail

Text on black

5.63:1

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