#397BBD

#397BBD

Color Values

HEX

#397BBD

RGB

57, 123, 189

HSL

210,0, 53,7%, 48,2%

HSV

210,0, 69,8%, 74,1%

CMYK

69,8%, 34,9%, 0,0%, 25,9%

OKLCH

0,5714 0,1224 250,8

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#397BBD

#BD7B39

Analogous

#39BDBD

#3939BD

#397BBD

Triadic

#397BBD

#BD397B

#7BBD39

Split Complementary

#397BBD

#BD3939

#BDBD39

Tetradic

#397BBD

#BD39BD

#BD7B39

#39BD39

Color Blindness Simulation

Original

#397BBD

Protanopia

#5656AD

Deuteranopia

#524DA9

Tritanopia

#3CA09E

Achromatopsia

#727272

CSS Usage

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

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DBEE
300
#A1C2E3
400
#6EA1D3
500
#3B80C4
600
#2F669D
700
#26527D
800
#1E4062
900
#193048
950
#101F2D

Contrast Checker

Text on white

4,43:1

AA Fail AAA Fail

Text on black

4,74:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Şub 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Şub 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Şub 19, 2026