#04253F

#04253F

Color Values

HEX

#04253F

RGB

4, 37, 63

HSL

206.4, 88.1%, 13.1%

HSV

206.4, 93.7%, 24.7%

CMYK

93.7%, 41.3%, 0.0%, 75.3%

OKLCH

0.2568 0.0616 246.9

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#04253F

#3F1E04

Analogous

#043F3B

#04083F

#04253F

Triadic

#04253F

#3F0425

#253F04

Split Complementary

#04253F

#3F0408

#3F3B04

Tetradic

#04253F

#3B043F

#3F1E04

#083F04

Color Blindness Simulation

Original

#04253F

Protanopia

#121339

Deuteranopia

#100E37

Tritanopia

#063433

Achromatopsia

#202020

CSS Usage

background-color: #04253F;
color: #04253F;
border-color: #04253F;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F2F8FD
100
#E0EFFB
200
#BCDFFB
300
#8CC8F8
400
#4EABF4
500
#0F8DF0
600
#0C71C0
700
#0A5A99
800
#084678
900
#0A3557
950
#062237

Contrast Checker

Text on white

15.65:1

AA Pass AAA Pass

Text on black

1.34:1

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