#000643

#000643

Color Values

HEX

#000643

RGB

0, 6, 67

HSL

234,6, 100,0%, 13,1%

HSV

234,6, 100,0%, 26,3%

CMYK

100,0%, 91,0%, 0,0%, 73,7%

OKLCH

0,1854 0,1116 264,1

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#000643

#433D00

Analogous

#002743

#1B0043

#000643

Triadic

#000643

#430006

#064300

Split Complementary

#000643

#431B00

#274300

Tetradic

#000643

#430027

#433D00

#00431B

Color Blindness Simulation

Original

#000643

Protanopia

#030334

Deuteranopia

#020231

Tritanopia

#002926

Achromatopsia

#090909

CSS Usage

background-color: #000643;
color: #000643;
border-color: #000643;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F1F2FE
100
#DEE1FC
200
#B8BEFF
300
#8590FF
400
#4253FF
500
#0017FF
600
#0012CC
700
#000FA3
800
#000B80
900
#050D5C
950
#03083A

Contrast Checker

Text on white

18,97:1

AA Pass AAA Pass

Text on black

1,11:1

AA Fail 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