#000040

#000040

Color Values

HEX

#000040

RGB

0, 0, 64

HSL

240.0, 100.0%, 12.5%

HSV

240.0, 100.0%, 25.1%

CMYK

100.0%, 100.0%, 0.0%, 74.9%

OKLCH

0.1679 0.1164 264.1

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#000040

#404000

Analogous

#002040

#200040

#000040

Triadic

#000040

#400000

#004000

Split Complementary

#000040

#402000

#204000

Tetradic

#000040

#400020

#404000

#004020

Color Blindness Simulation

Original

#000040

Protanopia

#000031

Deuteranopia

#00002D

Tritanopia

#002422

Achromatopsia

#050505

CSS Usage

background-color: #000040;
color: #000040;
border-color: #000040;
Nearest Tailwind: Indigo 950 #1E1B4B

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

19.55:1

AA Pass AAA Pass

Text on black

1.07:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026