Color

#281e4d

#281e4d
hex#281e4d
rgbrgb(40, 30, 77)
hslhsl(253, 44%, 21%)
oklchoklch(0.275 0.083 289.6)
Closest name: Azulado (#211d49)Relative luminance 0.0192

Colors that go with #281e4d

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 →

#434d1e

#1e2b4d · #401e4d

#4d281e · #1e4d28

Split-complementary

Open in tool →

#4d401e · #2b4d1e

#4d1e2b · #434d1e · #1e4d40

Contrast

#281e4d as textRatioAAAA largeAAAFix
Aaon white
15.18:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #7c68c4 as the text (4.63:1)
  • AAA: use #9c8dd3 as the text (7.16:1)
  • AA: or shift the background to #8c8c8c (4.52:1)
  • AAA: or shift the background to #b0b0b0 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281e4d 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

#281e4d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281e4d
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 #281e4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281e4d-a99cc4-dfb84e-281f2d-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