Color

#231019

#231019
hex#231019
rgbrgb(35, 16, 25)
hslhsl(332, 37%, 10%)
oklchoklch(0.204 0.035 350.8)
Closest name: Italian Roast (#221111)Relative luminance 0.008

Colors that go with #231019

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.

Real palettes that use #231019

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10231a

#231022 · #231110

#192310 · #101923

Split-complementary

Open in tool →

#102311 · #102223

#222310 · #10231a · #111023

Contrast

#231019 as textRatioAAAA largeAAAFix
Aaon white
18.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #b25782 as the text (4.58:1)
  • AAA: use #c581a1 as the text (7.03:1)
  • AA: or shift the background to #808080 (4.59:1)
  • AAA: or shift the background to #a1a1a1 (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 #231019 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#231019 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #231019
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 #231019 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/231019-c49caa-62cb67-2d1f20-f1e9f1?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