#283653

#283653

Color Values

HEX

#283653

RGB

40, 54, 83

HSL

220.5, 35.0%, 24.1%

HSV

220.5, 51.8%, 32.5%

CMYK

51.8%, 34.9%, 0.0%, 67.5%

OKLCH

0.3347 0.0548 264.0

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#283653

#534528

Analogous

#284B53

#2F2853

#283653

Triadic

#283653

#532836

#365328

Split Complementary

#283653

#532F28

#4B5328

Tetradic

#283653

#53284B

#534528

#28532F

Color Blindness Simulation

Original

#283653

Protanopia

#2E2E4C

Deuteranopia

#2D2C4A

Tritanopia

#294645

Achromatopsia

#353535

CSS Usage

background-color: #283653;
color: #283653;
border-color: #283653;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F5F7FA
100
#E8EBF2
200
#CFD7E8
300
#ACBAD7
400
#8095C2
500
#5370AC
600
#425A8A
700
#35486E
800
#293856
900
#212B40
950
#151B28

Contrast Checker

Text on white

12.05:1

AA Pass AAA Pass

Text on black

1.74:1

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