Color

#2d305c

#2d305c
hex#2d305c
rgbrgb(45, 48, 92)
hslhsl(236, 34%, 27%)
oklchoklch(0.33 0.077 278.3)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0344

Colors that go with #2d305c

Dark Olive Green, Steel Blue and Teal 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 →

#5c592d

#2d485c · #422d5c

#5c2d31 · #315c2d

Split-complementary

Open in tool →

#5c422d · #485c2d

#5c2d48 · #5c592d · #2d5c42

Contrast

#2d305c as textRatioAAAA largeAAAFix
Aaon white
12.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #6c71b7 as the text (4.68:1)
  • AAA: use #8e92c7 as the text (7.09:1)
  • AA: or shift the background to #9c9c9c (4.53:1)
  • AAA: or shift the background to #c4c4c4 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d305c 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

#2d305c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d305c
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 #2d305c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d305c-9e9cc4-df8f4e-241f2d-e9eef1?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