#397ACB

#397ACB

Color Values

HEX

#397ACB

RGB

57, 122, 203

HSL

213,3, 58,4%, 51,0%

HSV

213,3, 71,9%, 79,6%

CMYK

71,9%, 39,9%, 0,0%, 20,4%

OKLCH

0,5774 0,1416 255,4

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#397ACB

#CB8A39

Analogous

#39C3CB

#4139CB

#397ACB

Triadic

#397ACB

#CB397A

#7ACB39

Split Complementary

#397ACB

#CB4139

#C3CB39

Tetradic

#397ACB

#CB39C3

#CB8A39

#39CB41

Color Blindness Simulation

Original

#397ACB

Protanopia

#5556B7

Deuteranopia

#514CB3

Tritanopia

#3CA8A5

Achromatopsia

#727272

CSS Usage

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

Tailwind Shades

50
#F4F7FB
100
#E4ECF6
200
#C6D9F0
300
#9EBEE6
400
#6A9BD8
500
#3577CA
600
#2A5FA2
700
#224C81
800
#1B3C65
900
#172E4A
950
#0F1D2F

Contrast Checker

Text on white

4,36:1

AA Fail AAA Fail

Text on black

4,82:1

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