#12498F

#12498F

Color Values

HEX

#12498F

RGB

18, 73, 143

HSL

213.6, 77.6%, 31.6%

HSV

213.6, 87.4%, 56.1%

CMYK

87.4%, 49.0%, 0.0%, 43.9%

OKLCH

0.4127 0.1287 256.9

Properties

Cool Dark Nearest: NCS S 2065-B Pure Blue

Color Harmonies

Complementary

#12498F

#8F5812

Analogous

#12888F

#1A128F

#12498F

Triadic

#12498F

#8F1249

#498F12

Split Complementary

#12498F

#8F1A12

#888F12

Tetradic

#12498F

#8F1288

#8F5812

#128F1A

Color Blindness Simulation

Original

#12498F

Protanopia

#2A2A7E

Deuteranopia

#27227A

Tritanopia

#15716E

Achromatopsia

#424242

CSS Usage

background-color: #12498F;
color: #12498F;
border-color: #12498F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F2F7FC
100
#E1ECF9
200
#C0D8F7
300
#92BCF1
400
#5798EA
500
#1D74E2
600
#175DB5
700
#124A91
800
#0E3A71
900
#0F2C52
950
#091C34

Contrast Checker

Text on white

8.84:1

AA Pass AAA Pass

Text on black

2.38:1

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