Color

#282b8a

#282b8a
hex#282b8a
rgbrgb(40, 43, 138)
hslhsl(238, 55%, 35%)
oklchoklch(0.355 0.154 274)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0401

Colors that go with #282b8a

Steel Blue, Blue and Charcoal 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 →

#8a8728

#285d8a · #56288a

#8a282b · #2b8a28

Split-complementary

Open in tool →

#8a5628 · #5d8a28

#8a285d · #8a8728 · #288a56

Contrast

#282b8a as textRatioAAAA largeAAAFix
Aaon white
11.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #696cd3 as the text (4.69:1)
  • AAA: use #8c8fde as the text (7.1:1)
  • AA: or shift the background to #a1a1a1 (4.51:1)
  • AAA: or shift the background to #c9c9c9 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282b8a 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

#282b8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282b8a
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 #282b8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282b8a-9f9cc4-df944e-251f2d-e9edf1?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