#3987CD

#3987CD

Color Values

HEX

#3987CD

RGB

57, 135, 205

HSL

208,4, 59,7%, 51,4%

HSV

208,4, 72,2%, 80,4%

CMYK

72,2%, 34,1%, 0,0%, 19,6%

OKLCH

0,6079 0,1311 248,8

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3987CD

#CD7F39

Analogous

#39CDC9

#393DCD

#3987CD

Triadic

#3987CD

#CD3987

#87CD39

Split Complementary

#3987CD

#CD393D

#CDC939

Tetradic

#3987CD

#C939CD

#CD7F39

#3DCD39

Color Blindness Simulation

Original

#3987CD

Protanopia

#5B5BBC

Deuteranopia

#5650B8

Tritanopia

#3DAFAC

Achromatopsia

#7B7B7B

CSS Usage

background-color: #3987CD;
color: #3987CD;
border-color: #3987CD;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F8FB
100
#E4EEF6
200
#C6DCF1
300
#9DC4E6
400
#68A4D9
500
#3384CC
600
#2969A3
700
#215482
800
#1A4266
900
#16324A
950
#0E1F2F

Contrast Checker

Text on white

3,8:1

AA Fail AAA Fail

Text on black

5,52:1

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