#12404B

#12404B

Color Values

HEX

#12404B

RGB

18, 64, 75

HSL

191.6, 61.3%, 18.2%

HSV

191.6, 76.0%, 29.4%

CMYK

76.0%, 14.7%, 0.0%, 70.6%

OKLCH

0.3459 0.052 216.9

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#12404B

#4B1D12

Analogous

#124B39

#12234B

#12404B

Triadic

#12404B

#4B1240

#404B12

Split Complementary

#12404B

#4B1223

#4B3912

Tetradic

#12404B

#39124B

#4B1D12

#234B12

Color Blindness Simulation

Original

#12404B

Protanopia

#262648

Deuteranopia

#232048

Tritanopia

#144646

Achromatopsia

#373737

CSS Usage

background-color: #12404B;
color: #12404B;
border-color: #12404B;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F3FAFB
100
#E4F3F6
200
#C5E9F1
300
#9CD9E7
400
#67C4DA
500
#31AFCE
600
#278CA5
700
#207084
800
#195867
900
#16414B
950
#0E292F

Contrast Checker

Text on white

11.29:1

AA Pass AAA Pass

Text on black

1.86:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026