#284455

#284455

Color Values

HEX

#284455

RGB

40, 68, 85

HSL

202.7, 36.0%, 24.5%

HSV

202.7, 52.9%, 33.3%

CMYK

52.9%, 20.0%, 0.0%, 66.7%

OKLCH

0.372 0.0448 236.4

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#284455

#553928

Analogous

#28554F

#282D55

#284455

Triadic

#284455

#552844

#445528

Split Complementary

#284455

#55282D

#554F28

Tetradic

#284455

#4F2855

#553928

#2D5528

Color Blindness Simulation

Original

#284455

Protanopia

#343451

Deuteranopia

#323050

Tritanopia

#294E4D

Achromatopsia

#3F3F3F

CSS Usage

background-color: #284455;
color: #284455;
border-color: #284455;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F8FA
100
#E8EEF3
200
#CEDEE8
300
#ACC7D8
400
#7FA9C3
500
#528BAD
600
#416F8B
700
#34596F
800
#294557
900
#213440
950
#152129

Contrast Checker

Text on white

10.25:1

AA Pass AAA Pass

Text on black

2.05:1

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