#040665

#040665

Color Values

HEX

#040665

RGB

4, 6, 101

HSL

238.8, 92.4%, 20.6%

HSV

238.8, 96.0%, 39.6%

CMYK

96.0%, 94.1%, 0.0%, 60.4%

OKLCH

0.2384 0.1523 266.0

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#040665

#656304

Analogous

#043665

#330465

#040665

Triadic

#040665

#650406

#066504

Split Complementary

#040665

#653304

#366504

Tetradic

#040665

#650436

#656304

#046533

Color Blindness Simulation

Original

#040665

Protanopia

#05054E

Deuteranopia

#050548

Tritanopia

#043C38

Achromatopsia

#0C0C0C

CSS Usage

background-color: #040665;
color: #040665;
border-color: #040665;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F1F2FD
100
#DFE0FB
200
#BABCFC
300
#898CFA
400
#494DF8
500
#0A0EF5
600
#080CC4
700
#06099D
800
#05077B
900
#080A59
950
#050638

Contrast Checker

Text on white

17.23:1

AA Pass AAA Pass

Text on black

1.22:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026