#3F7DBB

#3F7DBB

Color Values

HEX

#3F7DBB

RGB

63, 125, 187

HSL

210,0, 49,6%, 49,0%

HSV

210,0, 66,3%, 73,3%

CMYK

66,3%, 33,2%, 0,0%, 26,7%

OKLCH

0,5772 0,1155 250,5

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3F7DBB

#BB7D3F

Analogous

#3FBBBB

#3F3FBB

#3F7DBB

Triadic

#3F7DBB

#BB3F7D

#7DBB3F

Split Complementary

#3F7DBB

#BB3F3F

#BBBB3F

Tetradic

#3F7DBB

#BB3FBB

#BB7D3F

#3FBB3F

Color Blindness Simulation

Original

#3F7DBB

Protanopia

#5A5AAC

Deuteranopia

#5652A8

Tritanopia

#42A09E

Achromatopsia

#747474

CSS Usage

background-color: #3F7DBB;
color: #3F7DBB;
border-color: #3F7DBB;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#CADBED
300
#A3C2E0
400
#72A1CF
500
#4080BF
600
#336699
700
#29527A
800
#20405F
900
#1B3046
950
#111F2C

Contrast Checker

Text on white

4,32:1

AA Fail AAA Fail

Text on black

4,86:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Şub 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Şub 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Şub 19, 2026