#030440

#030440

Color Values

HEX

#030440

RGB

3, 4, 64

HSL

239.0, 91.0%, 13.1%

HSV

239.0, 95.3%, 25.1%

CMYK

95.3%, 93.8%, 0.0%, 74.9%

OKLCH

0.1794 0.1085 267.5

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#030440

#403F03

Analogous

#032240

#200340

#030440

Triadic

#030440

#400304

#044003

Split Complementary

#030440

#402003

#224003

Tetradic

#030440

#400322

#403F03

#034020

Color Blindness Simulation

Original

#030440

Protanopia

#030331

Deuteranopia

#03032E

Tritanopia

#032624

Achromatopsia

#080808

CSS Usage

background-color: #030440;
color: #030440;
border-color: #030440;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F1F2FD
100
#DFE0FB
200
#BBBCFC
300
#8A8CF9
400
#4B4EF7
500
#0B0FF4
600
#090CC3
700
#070A9C
800
#06087A
900
#090A58
950
#060638

Contrast Checker

Text on white

19.17:1

AA Pass AAA Pass

Text on black

1.1:1

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