Color

#283c6c

#283c6c
hex#283c6c
rgbrgb(40, 60, 108)
hslhsl(222, 46%, 29%)
oklchoklch(0.365 0.087 265.3)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0477

Colors that go with #283c6c

Steel Blue, Blue and Blush Pink 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 →

#6c5828

#285e6c · #36286c

#6c283c · #3c6c28

Split-complementary

Open in tool →

#6c3628 · #5e6c28

#6c285e · #6c5828 · #286c36

Contrast

#283c6c as textRatioAAAA largeAAAFix
Aaon white
10.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #5474c0 as the text (4.64:1)
  • AAA: use #7d95cf as the text (7.07:1)
  • AA: or shift the background to #a8a8a8 (4.52:1)
  • AAA: or shift the background to #d1d1d1 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #283c6c 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

#283c6c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #283c6c
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 #283c6c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/283c6c-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