Color

#284458

#284458
hex#284458
rgbrgb(40, 68, 88)
hslhsl(205, 38%, 25%)
oklchoklch(0.374 0.048 240.8)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0529

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#583c28

#285854 · #282c58

#582844 · #445828

Split-complementary

Open in tool →

#58282c · #585428

#542858 · #583c28 · #2c5828

Contrast

#284458 as textRatioAAAA largeAAAFix
Aaon white
10.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.06:1failfailfail
  • AA: use #477a9e as the text (4.55:1)
  • AAA: use #6b9bbd as the text (7.05:1)
  • AA: or shift the background to #adadad (4.55:1)
  • AAA: or shift the background to #d6d6d6 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #284458 as the background.

Brands using this color

Fonts for this mood

#284458 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #284458
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #284458 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/284458-9cafc4-df4e58-1f212d-e9f1f0?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md