#3F88DB

#3F88DB

Color Values

HEX

#3F88DB

RGB

63, 136, 219

HSL

211.9, 68.4%, 55.3%

HSV

211.9, 71.2%, 85.9%

CMYK

71.2%, 37.9%, 0.0%, 14.1%

OKLCH

0.6202 0.1455 253.6

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#3F88DB

#DB923F

Analogous

#3FD6DB

#443FDB

#3F88DB

Triadic

#3F88DB

#DB3F88

#88DB3F

Split Complementary

#3F88DB

#DB443F

#D6DB3F

Tetradic

#3F88DB

#DB3FD6

#DB923F

#3FDB44

Color Blindness Simulation

Original

#3F88DB

Protanopia

#5F5FC7

Deuteranopia

#5A55C2

Tritanopia

#43B7B4

Achromatopsia

#7E7E7E

CSS Usage

background-color: #3F88DB;
color: #3F88DB;
border-color: #3F88DB;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F3F7FC
100
#E3ECF8
200
#C3DAF4
300
#98BFEC
400
#609DE1
500
#287AD7
600
#2062AC
700
#1A4E89
800
#143D6B
900
#132F4E
950
#0C1D31

Contrast Checker

Text on white

3.65:1

AA Fail AAA Fail

Text on black

5.76:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026