#243E56

#243E56

Color Values

HEX

#243E56

RGB

36, 62, 86

HSL

208.8, 41.0%, 23.9%

HSV

208.8, 58.1%, 33.7%

CMYK

58.1%, 27.9%, 0.0%, 66.3%

OKLCH

0.3544 0.0529 247.6

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#243E56

#563C24

Analogous

#245655

#242556

#243E56

Triadic

#243E56

#56243E

#3E5624

Split Complementary

#243E56

#562425

#565524

Tetradic

#243E56

#552456

#563C24

#255624

Color Blindness Simulation

Original

#243E56

Protanopia

#2F2F50

Deuteranopia

#2E2C4F

Tritanopia

#254C4B

Achromatopsia

#3A3A3A

CSS Usage

background-color: #243E56;
color: #243E56;
border-color: #243E56;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CDDCEA
300
#A9C3DB
400
#7AA2C7
500
#4B82B4
600
#3C6890
700
#305373
800
#26415A
900
#1F3142
950
#131F2A

Contrast Checker

Text on white

11.06:1

AA Pass AAA Pass

Text on black

1.9:1

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