#040F9F

#040F9F

Color Values

HEX

#040F9F

RGB

4, 15, 159

HSL

235.7, 95.1%, 32.0%

HSV

235.7, 97.5%, 62.4%

CMYK

97.5%, 90.6%, 0.0%, 37.6%

OKLCH

0.3286 0.2124 264.9

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#040F9F

#9F9404

Analogous

#045D9F

#46049F

#040F9F

Triadic

#040F9F

#9F040F

#0F9F04

Split Complementary

#040F9F

#9F4604

#5D9F04

Tetradic

#040F9F

#9F045D

#9F9404

#049F46

Color Blindness Simulation

Original

#040F9F

Protanopia

#09097C

Deuteranopia

#080774

Tritanopia

#05615B

Achromatopsia

#171717

CSS Usage

background-color: #040F9F;
color: #040F9F;
border-color: #040F9F;
Nearest Tailwind: Violet 800 #5B21B6

Tailwind Shades

50
#F1F2FE
100
#DFE1FC
200
#B9BEFD
300
#8890FC
400
#4754FA
500
#0618F9
600
#0513C7
700
#040F9F
800
#030C7C
900
#070D5A
950
#040839

Contrast Checker

Text on white

13.34:1

AA Pass AAA Pass

Text on black

1.57:1

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