#12436B

#12436B

Color Values

HEX

#12436B

RGB

18, 67, 107

HSL

207.0, 71.2%, 24.5%

HSV

207.0, 83.2%, 42.0%

CMYK

83.2%, 37.4%, 0.0%, 58.0%

OKLCH

0.3724 0.0856 247.7

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#12436B

#6B3A12

Analogous

#126B67

#12166B

#12436B

Triadic

#12436B

#6B1243

#436B12

Split Complementary

#12436B

#6B1216

#6B6712

Tetradic

#12436B

#67126B

#6B3A12

#166B12

Color Blindness Simulation

Original

#12436B

Protanopia

#272861

Deuteranopia

#24215F

Tritanopia

#145A58

Achromatopsia

#3B3B3B

CSS Usage

background-color: #12436B;
color: #12436B;
border-color: #12436B;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F3F8FC
100
#E2EEF8
200
#C2DEF5
300
#96C6ED
400
#5DA7E4
500
#2589DA
600
#1D6DAF
700
#18578C
800
#12446D
900
#11344F
950
#0B2132

Contrast Checker

Text on white

10.29:1

AA Pass AAA Pass

Text on black

2.04:1

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