#3973AB

#3973AB

Color Values

HEX

#3973AB

RGB

57, 115, 171

HSL

209.5, 50.0%, 44.7%

HSV

209.5, 66.7%, 67.1%

CMYK

66.7%, 32.7%, 0.0%, 32.9%

OKLCH

0.5427 0.1071 249.7

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3973AB

#AB7139

Analogous

#39ABAA

#393AAB

#3973AB

Triadic

#3973AB

#AB3973

#73AB39

Split Complementary

#3973AB

#AB393A

#ABAA39

Tetradic

#3973AB

#AA39AB

#AB7139

#3AAB39

Color Blindness Simulation

Original

#3973AB

Protanopia

#52539D

Deuteranopia

#4F4A9A

Tritanopia

#3C9390

Achromatopsia

#6B6B6B

CSS Usage

background-color: #3973AB;
color: #3973AB;
border-color: #3973AB;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#C9DCED
300
#A3C2E0
400
#71A1D0
500
#4081BF
600
#336799
700
#29527A
800
#204060
900
#1B3146
950
#111F2C

Contrast Checker

Text on white

4.98:1

AA Pass AAA Fail

Text on black

4.21:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026