#3973B4

#3973B4

Color Values

HEX

#3973B4

RGB

57, 115, 180

HSL

211.7, 51.9%, 46.5%

HSV

211.7, 68.3%, 70.6%

CMYK

68.3%, 36.1%, 0.0%, 29.4%

OKLCH

0.5478 0.1187 253.0

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3973B4

#B47A39

Analogous

#39B1B4

#3D39B4

#3973B4

Triadic

#3973B4

#B43973

#73B439

Split Complementary

#3973B4

#B43D39

#B1B439

Tetradic

#3973B4

#B439B1

#B47A39

#39B43D

Color Blindness Simulation

Original

#3973B4

Protanopia

#5253A4

Deuteranopia

#4F4AA0

Tritanopia

#3C9895

Achromatopsia

#6B6B6B

CSS Usage

background-color: #3973B4;
color: #3973B4;
border-color: #3973B4;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C9DAEE
300
#A2C0E2
400
#709ED2
500
#3D7CC2
600
#31639B
700
#274F7C
800
#1F3E61
900
#1A2F47
950
#101E2D

Contrast Checker

Text on white

4.9:1

AA Pass AAA Fail

Text on black

4.29:1

AA Fail 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