Color

#30403b

#30403b
hex#30403b
rgbrgb(48, 64, 59)
hslhsl(161, 14%, 22%)
oklchoklch(0.356 0.022 173.9)
Closest name: Black Olive (#3b3c36)Relative luminance 0.0461

Colors that go with #30403b

Amber, Blue and Blush Pink 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.

Real palettes that use #30403b

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#403035

#304033 · #303d40

#3b3040 · #403b30

Split-complementary

Open in tool →

#40303d · #403330

#333040 · #403035 · #3d4030

Contrast

#30403b as textRatioAAAA largeAAAFix
Aaon white
10.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #5e7d73 as the text (4.66:1)
  • AAA: use #7c9c92 as the text (7.03:1)
  • AA: or shift the background to #a8a8a8 (4.59:1)
  • AAA: or shift the background to #cfcfcf (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 #30403b 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

#30403b reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30403b
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 #30403b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30403b-a2beb8-d459bb-1f2c2d-e9f1eb?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