#143F4B

#143F4B

Color Values

HEX

#143F4B

RGB

20, 63, 75

HSL

193.1, 57.9%, 18.6%

HSV

193.1, 73.3%, 29.4%

CMYK

73.3%, 16.0%, 0.0%, 70.6%

OKLCH

0.3438 0.0508 219.6

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#143F4B

#4B2014

Analogous

#144B3B

#14234B

#143F4B

Triadic

#143F4B

#4B143F

#3F4B14

Split Complementary

#143F4B

#4B1423

#4B3B14

Tetradic

#143F4B

#3B144B

#4B2014

#234B14

Color Blindness Simulation

Original

#143F4B

Protanopia

#272748

Deuteranopia

#242147

Tritanopia

#164645

Achromatopsia

#373737

CSS Usage

background-color: #143F4B;
color: #143F4B;
border-color: #143F4B;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F4F9FB
100
#E4F2F6
200
#C7E7F0
300
#9ED6E5
400
#6ABFD7
500
#36A9C9
600
#2B87A1
700
#226C81
800
#1B5565
900
#173F4A
950
#0F282F

Contrast Checker

Text on white

11.4:1

AA Pass AAA Pass

Text on black

1.84:1

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