#02183B

#02183B

Color Values

HEX

#02183B

RGB

2, 24, 59

HSL

216.8, 93.4%, 12.0%

HSV

216.8, 96.6%, 23.1%

CMYK

96.6%, 59.3%, 0.0%, 76.9%

OKLCH

0.2165 0.074 258.2

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#02183B

#3B2502

Analogous

#02353B

#08023B

#02183B

Triadic

#02183B

#3B0218

#183B02

Split Complementary

#02183B

#3B0802

#353B02

Tetradic

#02183B

#3B0235

#3B2502

#023B08

Color Blindness Simulation

Original

#02183B

Protanopia

#0C0C33

Deuteranopia

#0A0930

Tritanopia

#032C2A

Achromatopsia

#161616

CSS Usage

background-color: #02183B;
color: #02183B;
border-color: #02183B;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F1F6FD
100
#DFEAFB
200
#BAD4FD
300
#89B5FB
400
#498DF9
500
#0865F7
600
#0750C5
700
#05409E
800
#04327B
900
#082759
950
#051938

Contrast Checker

Text on white

17.55:1

AA Pass AAA Pass

Text on black

1.2:1

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