#397BC8

#397BC8

Color Values

HEX

#397BC8

RGB

57, 123, 200

HSL

212,3, 56,5%, 50,4%

HSV

212,3, 71,5%, 78,4%

CMYK

71,5%, 38,5%, 0,0%, 21,6%

OKLCH

0,5778 0,1366 254,1

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#397BC8

#C88639

Analogous

#39C3C8

#3F39C8

#397BC8

Triadic

#397BC8

#C8397B

#7BC839

Split Complementary

#397BC8

#C83F39

#C3C839

Tetradic

#397BC8

#C839C3

#C88639

#39C83F

Color Blindness Simulation

Original

#397BC8

Protanopia

#5656B5

Deuteranopia

#524DB1

Tritanopia

#3CA7A3

Achromatopsia

#737373

CSS Usage

background-color: #397BC8;
color: #397BC8;
border-color: #397BC8;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5ECF6
200
#C7DAEF
300
#9FBFE4
400
#6B9DD6
500
#377AC8
600
#2C62A0
700
#234E80
800
#1C3D64
900
#182F49
950
#0F1D2E

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

يناير 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

يناير 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

يناير 15, 2026