#3997EC

#3997EC

Color Values

HEX

#3997EC

RGB

57, 151, 236

HSL

208.5, 82.5%, 57.5%

HSV

208.5, 75.8%, 92.5%

CMYK

75.8%, 36.0%, 0.0%, 7.5%

OKLCH

0.6615 0.1537 249.6

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#3997EC

#EC8E39

Analogous

#39ECE8

#393EEC

#3997EC

Triadic

#3997EC

#EC3997

#97EC39

Split Complementary

#3997EC

#EC393E

#ECE839

Tetradic

#3997EC

#E839EC

#EC8E39

#3EEC39

Color Blindness Simulation

Original

#3997EC

Protanopia

#6263D7

Deuteranopia

#5C55D2

Tritanopia

#3EC7C4

Achromatopsia

#898989

CSS Usage

background-color: #3997EC;
color: #3997EC;
border-color: #3997EC;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F2F8FD
100
#E1EEFA
200
#BEDDF9
300
#8FC4F4
400
#53A5EE
500
#1685E9
600
#126ABA
700
#0E5595
800
#0B4274
900
#0C3254
950
#082035

Contrast Checker

Text on white

3.08:1

AA Fail AAA Fail

Text on black

6.81:1

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