#0000DB

#0000DB

Color Values

HEX

#0000DB

RGB

0, 0, 219

HSL

240.0, 100.0%, 42.9%

HSV

240.0, 100.0%, 85.9%

CMYK

100.0%, 100.0%, 0.0%, 14.1%

OKLCH

0.4029 0.2792 264.1

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#0000DB

#DBDB00

Analogous

#006DDB

#6D00DB

#0000DB

Triadic

#0000DB

#DB0000

#00DB00

Split Complementary

#0000DB

#DB6D00

#6DDB00

Tetradic

#0000DB

#DB006D

#DBDB00

#00DB6D

Color Blindness Simulation

Original

#0000DB

Protanopia

#0000A6

Deuteranopia

#000099

Tritanopia

#007C73

Achromatopsia

#101010

CSS Usage

background-color: #0000DB;
color: #0000DB;
border-color: #0000DB;
Nearest Tailwind: Violet 700 #6D28D9

Tailwind Shades

50
#F1F1FE
100
#DEDEFC
200
#B8B8FF
300
#8585FF
400
#4242FF
500
#0000FF
600
#0000CC
700
#0000A3
800
#000080
900
#05055C
950
#03033A

Contrast Checker

Text on white

10.38:1

AA Pass AAA Pass

Text on black

2.02:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026