Color

#281c45

#281c45
hex#281c45
rgbrgb(40, 28, 69)
hslhsl(258, 42%, 19%)
oklchoklch(0.265 0.074 294.3)
Closest name: Azulado (#211d49)Relative luminance 0.0171

Colors that go with #281c45

Charcoal, Dark Olive Green and Sea Green 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 →

#39451c

#1c2445 · #3d1c45

#45281c · #1c4528

Split-complementary

Open in tool →

#453d1c · #24451c

#451c24 · #39451c · #1c453d

Contrast

#281c45 as textRatioAAAA largeAAAFix
Aaon white
15.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #8267c1 as the text (4.66:1)
  • AAA: use #a08bd0 as the text (7.1:1)
  • AA: or shift the background to #8a8a8a (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281c45 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

#281c45 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281c45
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 #281c45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281c45-ad9cc4-dfc44e-291f2d-e9ebf1?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