#3987D6

#3987D6

Color Values

HEX

#3987D6

RGB

57, 135, 214

HSL

210.2, 65.7%, 53.1%

HSV

210.2, 73.4%, 83.9%

CMYK

73.4%, 36.9%, 0.0%, 16.1%

OKLCH

0.6131 0.1422 251.5

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#3987D6

#D68839

Analogous

#39D5D6

#3939D6

#3987D6

Triadic

#3987D6

#D63987

#87D639

Split Complementary

#3987D6

#D63939

#D5D639

Tetradic

#3987D6

#D639D5

#D68839

#39D639

Color Blindness Simulation

Original

#3987D6

Protanopia

#5B5BC3

Deuteranopia

#5650BE

Tritanopia

#3DB4B0

Achromatopsia

#7C7C7C

CSS Usage

background-color: #3987D6;
color: #3987D6;
border-color: #3987D6;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C4DBF3
300
#9AC2EA
400
#63A0DF
500
#2C7FD3
600
#2366A9
700
#1C5187
800
#163F6A
900
#14304D
950
#0D1E31

Contrast Checker

Text on white

3.74:1

AA Fail AAA Fail

Text on black

5.61:1

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