#12434F

#12434F

Color Values

HEX

#12434F

RGB

18, 67, 79

HSL

191.8, 62.9%, 19.0%

HSV

191.8, 77.2%, 31.0%

CMYK

77.2%, 15.2%, 0.0%, 69.0%

OKLCH

0.3564 0.0546 217.5

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#12434F

#4F1E12

Analogous

#124F3C

#12244F

#12434F

Triadic

#12434F

#4F1243

#434F12

Split Complementary

#12434F

#4F1224

#4F3C12

Tetradic

#12434F

#3C124F

#4F1E12

#244F12

Color Blindness Simulation

Original

#12434F

Protanopia

#27284C

Deuteranopia

#24214B

Tritanopia

#144A49

Achromatopsia

#393939

CSS Usage

background-color: #12434F;
color: #12434F;
border-color: #12434F;
Nearest Tailwind: Cyan 900 #164E63

Tailwind Shades

50
#F3FAFB
100
#E4F3F7
200
#C5E9F2
300
#9BD9E8
400
#65C5DC
500
#2FB0D0
600
#268DA6
700
#1E7185
800
#185868
900
#15414C
950
#0D2930

Contrast Checker

Text on white

10.82:1

AA Pass AAA Pass

Text on black

1.94:1

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