#397AC3

#397AC3

Color Values

HEX

#397AC3

RGB

57, 122, 195

HSL

211.7, 54.8%, 49.4%

HSV

211.7, 70.8%, 76.5%

CMYK

70.8%, 37.4%, 0.0%, 23.5%

OKLCH

0.5726 0.1311 253.3

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#397AC3

#C38239

Analogous

#39BFC3

#3D39C3

#397AC3

Triadic

#397AC3

#C3397A

#7AC339

Split Complementary

#397AC3

#C33D39

#BFC339

Tetradic

#397AC3

#C339BF

#C38239

#39C33D

Color Blindness Simulation

Original

#397AC3

Protanopia

#5556B1

Deuteranopia

#514CAD

Tritanopia

#3CA3A0

Achromatopsia

#717171

CSS Usage

background-color: #397AC3;
color: #397AC3;
border-color: #397AC3;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DAEF
300
#A0C0E3
400
#6D9ED4
500
#3A7CC5
600
#2E639E
700
#254F7E
800
#1D3E63
900
#192F48
950
#101E2E

Contrast Checker

Text on white

4.42:1

AA Fail AAA Fail

Text on black

4.75:1

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