Color

#282f5d

#282f5d
hex#282f5d
rgbrgb(40, 47, 93)
hslhsl(232, 40%, 26%)
oklchoklch(0.324 0.081 274.4)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0327

Colors that go with #282f5d

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 →

#5d5628

#28495d · #3b285d

#5d282f · #2f5d28

Split-complementary

Open in tool →

#5d3b28 · #495d28

#5d2849 · #5d5628 · #285d3b

Contrast

#282f5d as textRatioAAAA largeAAAFix
Aaon white
12.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #6571bd as the text (4.65:1)
  • AAA: use #8992cd as the text (7.06:1)
  • AA: or shift the background to #9c9c9c (4.62:1)
  • AAA: or shift the background to #c2c2c2 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282f5d as the background.

Brands using this color

Fonts for this mood

#282f5d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282f5d
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 #282f5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282f5d-9c9dc4-df864e-231f2d-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