#040557

#040557

Color Values

HEX

#040557

RGB

4, 5, 87

HSL

239.3, 91.2%, 17.8%

HSV

239.3, 95.4%, 34.1%

CMYK

95.4%, 94.3%, 0.0%, 65.9%

OKLCH

0.2164 0.1362 266.7

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#040557

#575604

Analogous

#042E57

#2C0457

#040557

Triadic

#040557

#570405

#055704

Split Complementary

#040557

#572C04

#2E5704

Tetradic

#040557

#57042E

#575604

#04572C

Color Blindness Simulation

Original

#040557

Protanopia

#040443

Deuteranopia

#04043E

Tritanopia

#043330

Achromatopsia

#0B0B0B

CSS Usage

background-color: #040557;
color: #040557;
border-color: #040557;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F1F2FD
100
#DFE0FB
200
#BBBCFC
300
#8A8BFA
400
#4B4DF7
500
#0B0EF4
600
#090BC3
700
#07099C
800
#06077A
900
#090A58
950
#050638

Contrast Checker

Text on white

18.03:1

AA Pass AAA Pass

Text on black

1.16:1

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