Color

#0b423f

#0b423f
hex#0b423f
rgbrgb(11, 66, 63)
hslhsl(177, 71%, 15%)
oklchoklch(0.344 0.054 189.4)
Closest name: Botanical Night (#12403c)Relative luminance 0.0433

Colors that go with #0b423f

Crimson, Sea Green 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 →

#410b0e

#0b4124 · #0b2941

#3f0b41 · #413f0b

Split-complementary

Open in tool →

#410b29 · #41240b

#240b41 · #410b0e · #29410b

Contrast

#0b423f as textRatioAAAA largeAAAFix
Aaon white
11.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #16837d as the text (4.58:1)
  • AAA: use #1ca69f as the text (7:1)
  • AA: or shift the background to #a6a6a6 (4.62:1)
  • AAA: or shift the background to #cccccc (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 #0b423f as the background.

Brands using this color

Fonts for this mood

#0b423f reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b423f
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 #0b423f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b423f-a2bcbe-d4599b-1f282d-e9f1ed?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