#243B65

#243B65

Color Values

HEX

#243B65

RGB

36, 59, 101

HSL

218,8, 47,4%, 26,9%

HSV

218,8, 64,4%, 39,6%

CMYK

64,4%, 41,6%, 0,0%, 60,4%

OKLCH

0,3559 0,0788 261,5

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#243B65

#654E24

Analogous

#245C65

#2E2465

#243B65

Triadic

#243B65

#65243B

#3B6524

Split Complementary

#243B65

#652E24

#5C6524

Tetradic

#243B65

#65245C

#654E24

#24652E

Color Blindness Simulation

Original

#243B65

Protanopia

#2E2E5B

Deuteranopia

#2D2B58

Tritanopia

#255351

Achromatopsia

#393939

CSS Usage

background-color: #243B65;
color: #243B65;
border-color: #243B65;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F6FA
100
#E6EBF4
200
#CAD6EC
300
#A5B9DF
400
#7494CD
500
#436EBC
600
#365896
700
#2B4678
800
#22375E
900
#1C2A45
950
#121B2C

Contrast Checker

Text on white

11,12:1

AA Pass AAA Pass

Text on black

1,89:1

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