#040C55

#040C55

Color Values

HEX

#040C55

RGB

4, 12, 85

HSL

234.1, 91.0%, 17.5%

HSV

234.1, 95.3%, 33.3%

CMYK

95.3%, 85.9%, 0.0%, 66.7%

OKLCH

0.2232 0.1272 266.4

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#040C55

#554D04

Analogous

#043555

#250455

#040C55

Triadic

#040C55

#55040C

#0C5504

Split Complementary

#040C55

#552504

#355504

Tetradic

#040C55

#550435

#554D04

#045525

Color Blindness Simulation

Original

#040C55

Protanopia

#070843

Deuteranopia

#07063F

Tritanopia

#043532

Achromatopsia

#101010

CSS Usage

background-color: #040C55;
color: #040C55;
border-color: #040C55;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F1F3FD
100
#DFE2FB
200
#BBC1FC
300
#8A95F9
400
#4B5CF7
500
#0B22F4
600
#091BC3
700
#07169C
800
#06117A
900
#091158
950
#060A38

Contrast Checker

Text on white

17.66:1

AA Pass AAA Pass

Text on black

1.19:1

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