#397DC1

#397DC1

Color Values

HEX

#397DC1

RGB

57, 125, 193

HSL

210.0, 54.4%, 49.0%

HSV

210.0, 70.5%, 75.7%

CMYK

70.5%, 35.2%, 0.0%, 24.3%

OKLCH

0.5782 0.1256 250.9

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#397DC1

#C17D39

Analogous

#39C1C1

#3939C1

#397DC1

Triadic

#397DC1

#C1397D

#7DC139

Split Complementary

#397DC1

#C13939

#C1C139

Tetradic

#397DC1

#C139C1

#C17D39

#39C139

Color Blindness Simulation

Original

#397DC1

Protanopia

#5657B1

Deuteranopia

#524DAD

Tritanopia

#3CA4A1

Achromatopsia

#737373

CSS Usage

background-color: #397DC1;
color: #397DC1;
border-color: #397DC1;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DBEF
300
#A1C2E3
400
#6DA1D4
500
#3A80C5
600
#2F669D
700
#25527E
800
#1D4062
900
#193048
950
#101F2E

Contrast Checker

Text on white

4.31:1

AA Fail AAA Fail

Text on black

4.88:1

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