#243540

#243540

Color Values

HEX

#243540

RGB

36, 53, 64

HSL

203.6, 28.0%, 19.6%

HSV

203.6, 43.8%, 25.1%

CMYK

43.8%, 17.2%, 0.0%, 74.9%

OKLCH

0.319 0.0297 237.3

Properties

Cool Dark Nearest: RAL 7026 Granite Grey

Color Harmonies

Complementary

#243540

#402F24

Analogous

#24403D

#242740

#243540

Triadic

#243540

#402435

#354024

Split Complementary

#243540

#402427

#403D24

Tetradic

#243540

#3D2440

#402F24

#274024

Color Blindness Simulation

Original

#243540

Protanopia

#2B2C3D

Deuteranopia

#2A293D

Tritanopia

#253B3B

Achromatopsia

#323232

CSS Usage

background-color: #243540;
color: #243540;
border-color: #243540;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D1DDE5
300
#B1C5D3
400
#86A6BB
500
#5C87A3
600
#496C83
700
#3B5668
800
#2E4452
900
#24333D
950
#172026

Contrast Checker

Text on white

12.66:1

AA Pass AAA Pass

Text on black

1.66:1

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