#387BB5

#387BB5

Color Values

HEX

#387BB5

RGB

56, 123, 181

HSL

207.8, 52.7%, 46.5%

HSV

207.8, 69.1%, 71.0%

CMYK

69.1%, 32.0%, 0.0%, 29.0%

OKLCH

0.5665 0.1128 247.5

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#387BB5

#B57238

Analogous

#38B5B0

#383DB5

#387BB5

Triadic

#387BB5

#B5387B

#7BB538

Split Complementary

#387BB5

#B5383D

#B5B038

Tetradic

#387BB5

#B038B5

#B57238

#3DB538

Color Blindness Simulation

Original

#387BB5

Protanopia

#5556A7

Deuteranopia

#514CA4

Tritanopia

#3B9C99

Achromatopsia

#717171

CSS Usage

background-color: #387BB5;
color: #387BB5;
border-color: #387BB5;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C8DDEE
300
#A2C4E2
400
#6FA4D2
500
#3C84C3
600
#306A9C
700
#27557D
800
#1E4261
900
#193247
950
#10202D

Contrast Checker

Text on white

4.5:1

AA Fail AAA Fail

Text on black

4.67:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026