#284B69

#284B69

Color Values

HEX

#284B69

RGB

40, 75, 105

HSL

207.7, 44.8%, 28.4%

HSV

207.7, 61.9%, 41.2%

CMYK

61.9%, 28.6%, 0.0%, 58.8%

OKLCH

0.4007 0.0652 246.2

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#284B69

#694628

Analogous

#286966

#282A69

#284B69

Triadic

#284B69

#69284B

#4B6928

Split Complementary

#284B69

#69282A

#696628

Tetradic

#284B69

#662869

#694628

#2A6928

Color Blindness Simulation

Original

#284B69

Protanopia

#373762

Deuteranopia

#353260

Tritanopia

#2A5C5B

Achromatopsia

#464646

CSS Usage

background-color: #284B69;
color: #284B69;
border-color: #284B69;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CBDDEB
300
#A6C4DD
400
#76A4CB
500
#4684B9
600
#386A94
700
#2D5476
800
#23425C
900
#1D3244
950
#12202B

Contrast Checker

Text on white

9.13:1

AA Pass AAA Pass

Text on black

2.3:1

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