Color

#423753

#423753
hex#423753
rgbrgb(66, 55, 83)
hslhsl(264, 20%, 27%)
oklchoklch(0.361 0.049 302)
Closest name: Call It a Night (#42364c)Relative luminance 0.0452

Colors that go with #423753

Dark Olive Green, 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 →

#485337

#373a53 · #503753

#534237 · #375342

Split-complementary

Open in tool →

#535037 · #3a5337

#53373a · #485337 · #375350

Contrast

#423753 as textRatioAAAA largeAAAFix
Aaon white
11.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #806c9d as the text (4.55:1)
  • AAA: use #a091b6 as the text (7.22:1)
  • AA: or shift the background to #a6a6a6 (4.53:1)
  • AAA: or shift the background to #cfcfcf (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #423753 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

#423753 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423753
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 #423753 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423753-b19cc4-dfd34e-2b1f2d-e9eaf1?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