#18263F

#18263F

Color Values

HEX

#18263F

RGB

24, 38, 63

HSL

218.5, 44.8%, 17.1%

HSV

218.5, 61.9%, 24.7%

CMYK

61.9%, 39.7%, 0.0%, 75.3%

OKLCH

0.2695 0.0507 261.4

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#18263F

#3F3118

Analogous

#183A3F

#1E183F

#18263F

Triadic

#18263F

#3F1826

#263F18

Split Complementary

#18263F

#3F1E18

#3A3F18

Tetradic

#18263F

#3F183A

#3F3118

#183F1E

Color Blindness Simulation

Original

#18263F

Protanopia

#1E1E39

Deuteranopia

#1D1C37

Tritanopia

#193433

Achromatopsia

#252525

CSS Usage

background-color: #18263F;
color: #18263F;
border-color: #18263F;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F4F7FA
100
#E6EBF4
200
#CBD7EB
300
#A6BADD
400
#7695CB
500
#466FB9
600
#385994
700
#2D4776
800
#23385C
900
#1D2B44
950
#121B2B

Contrast Checker

Text on white

15.13:1

AA Pass AAA Pass

Text on black

1.39:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026