#397DBD

#397DBD

Color Values

HEX

#397DBD

RGB

57, 125, 189

HSL

209,1, 53,7%, 48,2%

HSV

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

CMYK

69,8%, 33,9%, 0,0%, 25,9%

OKLCH

0,576 0,1205 249,5

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#397DBD

#BD7939

Analogous

#39BDBB

#393BBD

#397DBD

Triadic

#397DBD

#BD397D

#7DBD39

Split Complementary

#397DBD

#BD393B

#BDBB39

Tetradic

#397DBD

#BB39BD

#BD7939

#3BBD39

Color Blindness Simulation

Original

#397DBD

Protanopia

#5657AE

Deuteranopia

#524DAA

Tritanopia

#3CA19F

Achromatopsia

#737373

CSS Usage

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

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DCEE
300
#A1C3E3
400
#6EA2D3
500
#3B82C4
600
#2F689D
700
#26537D
800
#1E4162
900
#193148
950
#101F2D

Contrast Checker

Text on white

4,34:1

AA Fail AAA Fail

Text on black

4,84:1

AA Pass AAA Fail

Related Articles

Tutorials

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

Янв 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Янв 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Янв 15, 2026