Color

#201830

#201830
hex#201830
rgbrgb(32, 24, 48)
hslhsl(260, 33%, 14%)
oklchoklch(0.231 0.046 298.1)
Closest name: Dark Knight (#151931)Relative luminance 0.0117

Colors that go with #201830

Charcoal, Dark Olive Green and Sea Green 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 →

#282f18

#181c2f · #2c182f

#2f2018 · #182f20

Split-complementary

Open in tool →

#2f2c18 · #1c2f18

#2f181c · #282f18 · #182f2c

Contrast

#201830 as textRatioAAAA largeAAAFix
Aaon white
17.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #826ab4 as the text (4.67:1)
  • AAA: use #9f8cc5 as the text (7.03:1)
  • AA: or shift the background to #858585 (4.61:1)
  • AAA: or shift the background to #a8a8a8 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #201830 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

#201830 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #201830
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 #201830 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/201830-ae9cc4-dfc94e-2a1f2d-e9ebf1?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