#397DC3

#397DC3

Color Values

HEX

#397DC3

RGB

57, 125, 195

HSL

210,4, 54,8%, 49,4%

HSV

210,4, 70,8%, 76,5%

CMYK

70,8%, 35,9%, 0,0%, 23,5%

OKLCH

0,5794 0,1281 251,5

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#397DC3

#C37F39

Analogous

#39C2C3

#3A39C3

#397DC3

Triadic

#397DC3

#C3397D

#7DC339

Split Complementary

#397DC3

#C33A39

#C2C339

Tetradic

#397DC3

#C339C2

#C37F39

#39C33A

Color Blindness Simulation

Original

#397DC3

Protanopia

#5657B2

Deuteranopia

#524DAE

Tritanopia

#3CA5A2

Achromatopsia

#747474

CSS Usage

background-color: #397DC3;
color: #397DC3;
border-color: #397DC3;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DBEF
300
#A0C1E3
400
#6DA0D4
500
#3A7FC5
600
#2E659E
700
#25517E
800
#1D3F63
900
#193048
950
#101E2E

Contrast Checker

Text on white

4,29:1

AA Fail AAA Fail

Text on black

4,9:1

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