Color

#213710

#213710
hex#213710
rgbrgb(33, 55, 16)
hslhsl(94, 55%, 14%)
oklchoklch(0.308 0.068 133.7)
Closest name: Darkest Forest (#223311)Relative luminance 0.0309

Colors that go with #213710

Charcoal, Crimson 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 →

#261037

#353710 · #103713

#102137 · #371021

Split-complementary

Open in tool →

#131037 · #371035

#103537 · #261037 · #371310

Contrast

#213710 as textRatioAAAA largeAAAFix
Aaon white
12.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #4e8226 as the text (4.54:1)
  • AAA: use #63a630 as the text (7.03:1)
  • AA: or shift the background to #999999 (4.55:1)
  • AAA: or shift the background to #bfbfbf (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #213710 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

#213710 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #213710
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 #213710 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/213710-abbea2-5a4edf-1f2d1f-f0f1e9?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