#12284F

#12284F

Color Values

HEX

#12284F

RGB

18, 40, 79

HSL

218.4, 62.9%, 19.0%

HSV

218.4, 77.2%, 31.0%

CMYK

77.2%, 49.4%, 0.0%, 69.0%

OKLCH

0.2828 0.077 260.9

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#12284F

#4F3912

Analogous

#12464F

#1B124F

#12284F

Triadic

#12284F

#4F1228

#284F12

Split Complementary

#12284F

#4F1B12

#464F12

Tetradic

#12284F

#4F1246

#4F3912

#124F1B

Color Blindness Simulation

Original

#12284F

Protanopia

#1C1C46

Deuteranopia

#1A1943

Tritanopia

#133E3C

Achromatopsia

#262626

CSS Usage

background-color: #12284F;
color: #12284F;
border-color: #12284F;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F3F6FB
100
#E4EAF7
200
#C5D5F2
300
#9BB7E8
400
#6590DC
500
#2F69D0
600
#2654A6
700
#1E4385
800
#183568
900
#15294C
950
#0D1A30

Contrast Checker

Text on white

14.56:1

AA Pass AAA Pass

Text on black

1.44:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026