#397FC7

#397FC7

Color Values

HEX

#397FC7

RGB

57, 127, 199

HSL

210,4, 55,9%, 50,2%

HSV

210,4, 71,4%, 78,0%

CMYK

71,4%, 36,2%, 0,0%, 22,0%

OKLCH

0,5863 0,1312 251,6

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#397FC7

#C78139

Analogous

#39C6C7

#3A39C7

#397FC7

Triadic

#397FC7

#C7397F

#7FC739

Split Complementary

#397FC7

#C73A39

#C6C739

Tetradic

#397FC7

#C739C6

#C78139

#39C73A

Color Blindness Simulation

Original

#397FC7

Protanopia

#5758B6

Deuteranopia

#534EB1

Tritanopia

#3CA8A5

Achromatopsia

#757575

CSS Usage

background-color: #397FC7;
color: #397FC7;
border-color: #397FC7;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EDF6
200
#C7DBEF
300
#A0C1E4
400
#6CA0D5
500
#387FC7
600
#2D659F
700
#24517F
800
#1C3F63
900
#183049
950
#0F1E2E

Contrast Checker

Text on white

4,17:1

AA Fail AAA Fail

Text on black

5,03:1

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