Color

#302e8e

#302e8e
hex#302e8e
rgbrgb(48, 46, 142)
hslhsl(241, 51%, 37%)
oklchoklch(0.37 0.154 276.7)
Closest name: Bluebell (#333399)Relative luminance 0.0454

Colors that go with #302e8e

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 →

#8d8e2e

#2e5d8e · #602e8e

#8e302e · #2e8e30

Split-complementary

Open in tool →

#8e602e · #5d8e2e

#8e2e5d · #8d8e2e · #2e8e60

Contrast

#302e8e as textRatioAAAA largeAAAFix
Aaon white
11.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #6b69ce as the text (4.54:1)
  • AAA: use #918fdb as the text (7.16:1)
  • AA: or shift the background to #a6a6a6 (4.52:1)
  • AAA: or shift the background to #cfcfcf (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 #302e8e 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

#302e8e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #302e8e
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 #302e8e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/302e8e-a19cc4-df9b4e-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