#143B5D

#143B5D

Color Values

HEX

#143B5D

RGB

20, 59, 93

HSL

207.9, 64.6%, 22.2%

HSV

207.9, 78.5%, 36.5%

CMYK

78.5%, 36.6%, 0.0%, 63.5%

OKLCH

0.3431 0.074 248.2

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#143B5D

#5D3614

Analogous

#145D5B

#14175D

#143B5D

Triadic

#143B5D

#5D143B

#3B5D14

Split Complementary

#143B5D

#5D1417

#5D5B14

Tetradic

#143B5D

#5B145D

#5D3614

#175D14

Color Blindness Simulation

Original

#143B5D

Protanopia

#252555

Deuteranopia

#232053

Tritanopia

#164E4D

Achromatopsia

#353535

CSS Usage

background-color: #143B5D;
color: #143B5D;
border-color: #143B5D;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F3F8FC
100
#E3EEF7
200
#C4DDF2
300
#9AC5E9
400
#64A5DE
500
#2D85D2
600
#246BA8
700
#1D5586
800
#174369
900
#14324D
950
#0D2030

Contrast Checker

Text on white

11.58:1

AA Pass AAA Pass

Text on black

1.81:1

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