Color

#283553

#283553
hex#283553
rgbrgb(40, 53, 83)
hslhsl(222, 35%, 24%)
oklchoklch(0.332 0.056 265.6)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0362

Colors that go with #283553

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 →

#534628

#284a53 · #302853

#532835 · #355328

Split-complementary

Open in tool →

#533028 · #4a5328

#53284a · #534628 · #285330

Contrast

#283553 as textRatioAAAA largeAAAFix
Aaon white
12.18:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #5a73af as the text (4.51:1)
  • AAA: use #8396c3 as the text (7.12:1)
  • AA: or shift the background to #9e9e9e (4.55:1)
  • AAA: or shift the background to #c7c7c7 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #283553 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#283553 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #283553
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 #283553 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/283553-9ca3c4-df6e4e-211f2d-e9eff1?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