#7978F3

#7978F3

Color Values

HEX

#7978F3

RGB

121, 120, 243

HSL

240.5, 83.7%, 71.2%

HSV

240.5, 50.6%, 95.3%

CMYK

50.2%, 50.6%, 0.0%, 4.7%

OKLCH

0.6341 0.1795 280.3

Properties

Cool Light Nearest: mediumslateblue

Color Harmonies

Complementary

#7978F3

#F2F378

Analogous

#78B5F3

#B778F3

#7978F3

Triadic

#7978F3

#F37978

#78F379

Split Complementary

#7978F3

#F3B778

#B5F378

Tetradic

#7978F3

#F378B5

#F2F378

#78F3B7

Color Blindness Simulation

Original

#7978F3

Protanopia

#7979D5

Deuteranopia

#7979CE

Tritanopia

#79BEB9

Achromatopsia

#818181

CSS Usage

background-color: #7978F3;
color: #7978F3;
border-color: #7978F3;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F2F2FD
100
#E1E0FA
200
#BEBDF9
300
#8F8FF5
400
#5352F0
500
#1715EA
600
#1211BB
700
#0E0D96
800
#0B0A75
900
#0D0C55
950
#080836

Contrast Checker

Text on white

3.62:1

AA Fail AAA Fail

Text on black

5.79:1

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