#3F9DF0

#3F9DF0

Color Values

HEX

#3F9DF0

RGB

63, 157, 240

HSL

208,1, 85,5%, 59,4%

HSV

208,1, 73,8%, 94,1%

CMYK

73,8%, 34,6%, 0,0%, 5,9%

OKLCH

0,6788 0,151 248,7

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#3F9DF0

#F0923F

Analogous

#3FF0EA

#3F45F0

#3F9DF0

Triadic

#3F9DF0

#F03F9D

#9DF03F

Split Complementary

#3F9DF0

#F03F45

#F0EA3F

Tetradic

#3F9DF0

#EA3FF0

#F0923F

#45F03F

Color Blindness Simulation

Original

#3F9DF0

Protanopia

#6869DC

Deuteranopia

#625BD7

Tritanopia

#44CCC9

Achromatopsia

#8F8F8F

CSS Usage

background-color: #3F9DF0;
color: #3F9DF0;
border-color: #3F9DF0;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F2F8FD
100
#E0EEFA
200
#BDDDFA
300
#8DC5F6
400
#50A6F1
500
#1286ED
600
#0F6CBD
700
#0C5697
800
#094376
900
#0B3356
950
#072036

Contrast Checker

Text on white

2,88:1

AA Fail AAA Fail

Text on black

7,29:1

AA Pass AAA Pass

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