#243C65

#243C65

Color Values

HEX

#243C65

RGB

36, 60, 101

HSL

217,8, 47,4%, 26,9%

HSV

217,8, 64,4%, 39,6%

CMYK

64,4%, 40,6%, 0,0%, 60,4%

OKLCH

0,3584 0,0776 260,5

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#243C65

#654D24

Analogous

#245D65

#2D2465

#243C65

Triadic

#243C65

#65243C

#3C6524

Split Complementary

#243C65

#652D24

#5D6524

Tetradic

#243C65

#65245D

#654D24

#24652D

Color Blindness Simulation

Original

#243C65

Protanopia

#2E2F5B

Deuteranopia

#2D2B59

Tritanopia

#255352

Achromatopsia

#3A3A3A

CSS Usage

background-color: #243C65;
color: #243C65;
border-color: #243C65;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F7FA
100
#E6EBF4
200
#CAD7EC
300
#A5BADF
400
#7495CD
500
#4370BC
600
#365996
700
#2B4878
800
#22385E
900
#1C2B45
950
#121B2C

Contrast Checker

Text on white

11,0:1

AA Pass AAA Pass

Text on black

1,91:1

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