#243A56

#243A56

Color Values

HEX

#243A56

RGB

36, 58, 86

HSL

213.6, 41.0%, 23.9%

HSV

213.6, 58.1%, 33.7%

CMYK

58.1%, 32.6%, 0.0%, 66.3%

OKLCH

0.344 0.0568 255.0

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#243A56

#564024

Analogous

#245356

#272456

#243A56

Triadic

#243A56

#56243A

#3A5624

Split Complementary

#243A56

#562724

#535624

Tetradic

#243A56

#562453

#564024

#245627

Color Blindness Simulation

Original

#243A56

Protanopia

#2E2E4F

Deuteranopia

#2C2B4E

Tritanopia

#254A49

Achromatopsia

#373737

CSS Usage

background-color: #243A56;
color: #243A56;
border-color: #243A56;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F5F7FA
100
#E7ECF3
200
#CDDAEA
300
#A9BFDB
400
#7A9CC7
500
#4B79B4
600
#3C6190
700
#304E73
800
#263D5A
900
#1F2E42
950
#131D2A

Contrast Checker

Text on white

11.57:1

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