#284256

#284256

Color Values

HEX

#284256

RGB

40, 66, 86

HSL

206.1, 36.5%, 24.7%

HSV

206.1, 53.5%, 33.7%

CMYK

53.5%, 23.3%, 0.0%, 66.3%

OKLCH

0.3673 0.0471 242.7

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#284256

#563C28

Analogous

#285653

#282B56

#284256

Triadic

#284256

#562842

#425628

Split Complementary

#284256

#56282B

#565328

Tetradic

#284256

#532856

#563C28

#2B5628

Color Blindness Simulation

Original

#284256

Protanopia

#333351

Deuteranopia

#323050

Tritanopia

#294D4C

Achromatopsia

#3E3E3E

CSS Usage

background-color: #284256;
color: #284256;
border-color: #284256;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F8FA
100
#E8EEF3
200
#CEDDE8
300
#ABC5D8
400
#7EA5C3
500
#5186AE
600
#416B8B
700
#34556F
800
#284357
900
#213340
950
#152029

Contrast Checker

Text on white

10.48:1

AA Pass AAA Pass

Text on black

2.0:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026