#12253F

#12253F

Color Values

HEX

#12253F

RGB

18, 37, 63

HSL

214.7, 55.6%, 15.9%

HSV

214.7, 71.4%, 24.7%

CMYK

71.4%, 41.3%, 0.0%, 75.3%

OKLCH

0.2631 0.0551 256.7

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#12253F

#3F2C12

Analogous

#123C3F

#16123F

#12253F

Triadic

#12253F

#3F1225

#253F12

Split Complementary

#12253F

#3F1612

#3C3F12

Tetradic

#12253F

#3F123C

#3F2C12

#123F16

Color Blindness Simulation

Original

#12253F

Protanopia

#1A1A39

Deuteranopia

#191837

Tritanopia

#133433

Achromatopsia

#232323

CSS Usage

background-color: #12253F;
color: #12253F;
border-color: #12253F;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FB
100
#E5ECF6
200
#C7D8EF
300
#A0BCE4
400
#6C98D5
500
#3974C6
600
#2D5D9F
700
#244A7F
800
#1C3A63
900
#182D49
950
#0F1C2E

Contrast Checker

Text on white

15.42:1

AA Pass AAA Pass

Text on black

1.36:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026