#3999FC

#3999FC

Color Values

HEX

#3999FC

RGB

57, 153, 252

HSL

210.5, 97.0%, 60.6%

HSV

210.5, 77.4%, 98.8%

CMYK

77.4%, 39.3%, 0.0%, 1.2%

OKLCH

0.6752 0.1712 252.5

Properties

Cool Light Nearest: dodgerblue

Color Harmonies

Complementary

#3999FC

#FC9C39

Analogous

#39FAFC

#3B39FC

#3999FC

Triadic

#3999FC

#FC3999

#99FC39

Split Complementary

#3999FC

#FC3B39

#FAFC39

Tetradic

#3999FC

#FC39FA

#FC9C39

#39FC3B

Color Blindness Simulation

Original

#3999FC

Protanopia

#6363E4

Deuteranopia

#5D56DE

Tritanopia

#3ED1CD

Achromatopsia

#8C8C8C

CSS Usage

background-color: #3999FC;
color: #3999FC;
border-color: #3999FC;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F1F7FE
100
#DEEDFC
200
#B9DBFE
300
#86C1FD
400
#459FFC
500
#047DFB
600
#0364C9
700
#0250A1
800
#023F7E
900
#06305B
950
#041E39

Contrast Checker

Text on white

2.94:1

AA Fail AAA Fail

Text on black

7.14:1

AA Pass AAA Pass

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