Color

#302b82

#302b82
hex#302b82
rgbrgb(48, 43, 130)
hslhsl(243, 50%, 34%)
oklchoklch(0.353 0.141 278.9)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0397

Colors that go with #302b82

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 →

#7e822b

#2b5282 · #5b2b82

#82302b · #2b8230

Split-complementary

Open in tool →

#825b2b · #52822b

#822b52 · #7e822b · #2b825b

Contrast

#302b82 as textRatioAAAA largeAAAFix
Aaon white
11.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #6f6acd as the text (4.62:1)
  • AAA: use #9490da as the text (7.26:1)
  • AA: or shift the background to #a1a1a1 (4.53:1)
  • AAA: or shift the background to #c9c9c9 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #302b82 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

#302b82 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #302b82
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 #302b82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/302b82-a39cc4-dfa04e-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