Color

#282d5c

#282d5c
hex#282d5c
rgbrgb(40, 45, 92)
hslhsl(234, 39%, 26%)
oklchoklch(0.319 0.083 276.1)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.031

Colors that go with #282d5c

Dark Olive Green, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c5728

#28475c · #3d285c

#5c282e · #2e5c28

Split-complementary

Open in tool →

#5c3d28 · #475c28

#5c2847 · #5c5728 · #285c3d

Contrast

#282d5c as textRatioAAAA largeAAAFix
Aaon white
12.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #676fbc as the text (4.58:1)
  • AAA: use #8a91cc as the text (7:1)
  • AA: or shift the background to #999999 (4.55:1)
  • AAA: or shift the background to #bfbfbf (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282d5c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#282d5c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282d5c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #282d5c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282d5c-9d9cc4-df8a4e-241f2d-e9eef1?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