#12438F

#12438F

Color Values

HEX

#12438F

RGB

18, 67, 143

HSL

216.5, 77.6%, 31.6%

HSV

216.5, 87.4%, 56.1%

CMYK

87.4%, 53.1%, 0.0%, 43.9%

OKLCH

0.399 0.1363 259.5

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#12438F

#8F5E12

Analogous

#12828F

#20128F

#12438F

Triadic

#12438F

#8F1243

#438F12

Split Complementary

#12438F

#8F2012

#828F12

Tetradic

#12438F

#8F1282

#8F5E12

#128F20

Color Blindness Simulation

Original

#12438F

Protanopia

#27287D

Deuteranopia

#242178

Tritanopia

#146E6B

Achromatopsia

#3E3E3E

CSS Usage

background-color: #12438F;
color: #12438F;
border-color: #12438F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F2F6FC
100
#E1EBF9
200
#C0D5F7
300
#92B8F1
400
#5791EA
500
#1D6AE2
600
#1755B5
700
#124491
800
#0E3571
900
#0F2952
950
#091A34

Contrast Checker

Text on white

9.44:1

AA Pass AAA Pass

Text on black

2.23:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026