Color

#302d80

#302d80
hex#302d80
rgbrgb(48, 45, 128)
hslhsl(242, 48%, 34%)
oklchoklch(0.355 0.136 278.6)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0406

Colors that go with #302d80

Charcoal, Steel Blue and 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 →

#7e802d

#2d5480 · #592d80

#80302d · #2d8030

Split-complementary

Open in tool →

#80592d · #54802d

#802d54 · #7e802d · #2d8059

Contrast

#302d80 as textRatioAAAA largeAAAFix
Aaon white
11.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #6f6ccb as the text (4.68:1)
  • AAA: use #908ed7 as the text (7.04:1)
  • AA: or shift the background to #a3a3a3 (4.59:1)
  • AAA: or shift the background to #cccccc (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 #302d80 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

#302d80 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #302d80
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 #302d80 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/302d80-a29cc4-df9e4e-261f2d-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