Color

#302c59

#302c59
hex#302c59
rgbrgb(48, 44, 89)
hslhsl(245, 34%, 26%)
oklchoklch(0.322 0.078 285.2)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0315

Colors that go with #302c59

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 →

#55592c

#2c3f59 · #462c59

#59302c · #2c5930

Split-complementary

Open in tool →

#59462c · #3f592c

#592c3f · #55592c · #2c5946

Contrast

#302c59 as textRatioAAAA largeAAAFix
Aaon white
12.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #726cb7 as the text (4.54:1)
  • AAA: use #9692c9 as the text (7.25:1)
  • AA: or shift the background to #999999 (4.52:1)
  • AAA: or shift the background to #bfbfbf (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #302c59 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

#302c59 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #302c59
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 #302c59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/302c59-a49cc4-dfa54e-261f2d-e9ecf1?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