#04275F

#04275F

Color Values

HEX

#04275F

RGB

4, 39, 95

HSL

216.9, 91.9%, 19.4%

HSV

216.9, 95.8%, 37.3%

CMYK

95.8%, 58.9%, 0.0%, 62.7%

OKLCH

0.2888 0.1074 259.8

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#04275F

#5F3C04

Analogous

#04545F

#0E045F

#04275F

Triadic

#04275F

#5F0427

#275F04

Split Complementary

#04275F

#5F0E04

#545F04

Tetradic

#04275F

#5F0454

#5F3C04

#045F0E

Color Blindness Simulation

Original

#04275F

Protanopia

#131351

Deuteranopia

#110E4E

Tritanopia

#064744

Achromatopsia

#242424

CSS Usage

background-color: #04275F;
color: #04275F;
border-color: #04275F;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F1F6FD
100
#DFEAFB
200
#BAD4FC
300
#8AB5FA
400
#4A8DF7
500
#0A65F5
600
#0850C4
700
#07409D
800
#05327A
900
#082759
950
#051938

Contrast Checker

Text on white

14.38:1

AA Pass AAA Pass

Text on black

1.46:1

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