#01004B

#01004B

Color Values

HEX

#01004B

RGB

1, 0, 75

HSL

240.8, 100.0%, 14.7%

HSV

240.8, 100.0%, 29.4%

CMYK

98.7%, 100.0%, 0.0%, 70.6%

OKLCH

0.1874 0.1287 265.0

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#01004B

#4A4B00

Analogous

#00244B

#26004B

#01004B

Triadic

#01004B

#4B0100

#004B01

Split Complementary

#01004B

#4B2600

#244B00

Tetradic

#01004B

#4B0024

#4A4B00

#004B26

Color Blindness Simulation

Original

#01004B

Protanopia

#010139

Deuteranopia

#010134

Tritanopia

#012B27

Achromatopsia

#060606

CSS Usage

background-color: #01004B;
color: #01004B;
border-color: #01004B;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F1F1FE
100
#DEDEFC
200
#B9B8FF
300
#8685FF
400
#4542FF
500
#0300FF
600
#0300CC
700
#0200A3
800
#020080
900
#06055C
950
#04033A

Contrast Checker

Text on white

19.04:1

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