Color

#423a50

#423a50
hex#423a50
rgbrgb(66, 58, 80)
hslhsl(262, 16%, 27%)
oklchoklch(0.366 0.039 301.2)
Closest name: Call It a Night (#42364c)Relative luminance 0.0476

Colors that go with #423a50

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 →

#48503a

#3a3d50 · #4d3a50

#50423a · #3a5042

Split-complementary

Open in tool →

#504d3a · #3d503a

#503a3d · #48503a · #3a504d

Contrast

#423a50 as textRatioAAAA largeAAAFix
Aaon white
10.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #7d6e96 as the text (4.54:1)
  • AAA: use #9d92b0 as the text (7.17:1)
  • AA: or shift the background to #a8a8a8 (4.52:1)
  • AAA: or shift the background to #d1d1d1 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #423a50 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

#423a50 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423a50
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 #423a50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423a50-af9cc4-dfce4e-2a1f2d-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