#397CBD

#397CBD

Color Values

HEX

#397CBD

RGB

57, 124, 189

HSL

209,5, 53,7%, 48,2%

HSV

209,5, 69,8%, 74,1%

CMYK

69,8%, 34,4%, 0,0%, 25,9%

OKLCH

0,5737 0,1215 250,2

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#397CBD

#BD7A39

Analogous

#39BDBC

#393ABD

#397CBD

Triadic

#397CBD

#BD397C

#7CBD39

Split Complementary

#397CBD

#BD393A

#BDBC39

Tetradic

#397CBD

#BC39BD

#BD7A39

#3ABD39

Color Blindness Simulation

Original

#397CBD

Protanopia

#5657AD

Deuteranopia

#524DA9

Tritanopia

#3CA19E

Achromatopsia

#727272

CSS Usage

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

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DCEE
300
#A1C2E3
400
#6EA1D3
500
#3B81C4
600
#2F679D
700
#26527D
800
#1E4062
900
#193148
950
#101F2D

Contrast Checker

Text on white

4,38:1

AA Fail AAA Fail

Text on black

4,79:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026