#243A57

#243A57

Color Values

HEX

#243A57

RGB

36, 58, 87

HSL

214.1, 41.5%, 24.1%

HSV

214.1, 58.6%, 34.1%

CMYK

58.6%, 33.3%, 0.0%, 65.9%

OKLCH

0.3446 0.0584 255.7

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#243A57

#574124

Analogous

#245357

#272457

#243A57

Triadic

#243A57

#57243A

#3A5724

Split Complementary

#243A57

#572724

#535724

Tetradic

#243A57

#572453

#574124

#245727

Color Blindness Simulation

Original

#243A57

Protanopia

#2E2E50

Deuteranopia

#2C2B4E

Tritanopia

#254A49

Achromatopsia

#373737

CSS Usage

background-color: #243A57;
color: #243A57;
border-color: #243A57;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F5F7FA
100
#E7ECF3
200
#CCD9EA
300
#A8BEDB
400
#799BC8
500
#4B78B4
600
#3C6090
700
#304D73
800
#253C5A
900
#1E2E43
950
#131D2A

Contrast Checker

Text on white

11.55:1

AA Pass AAA Pass

Text on black

1.82:1

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