Color

#423159

#423159
hex#423159
rgbrgb(66, 49, 89)
hslhsl(266, 29%, 27%)
oklchoklch(0.351 0.07 302.5)
Closest name: Acai (#48295b)Relative luminance 0.0408

Colors that go with #423159

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 →

#485931

#313459 · #563159

#594231 · #315942

Split-complementary

Open in tool →

#595631 · #345931

#593134 · #485931 · #315956

Contrast

#423159 as textRatioAAAA largeAAAFix
Aaon white
11.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #8568ac as the text (4.57:1)
  • AAA: use #a28cc0 as the text (7.05:1)
  • AA: or shift the background to #a3a3a3 (4.59:1)
  • AAA: or shift the background to #cccccc (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #423159 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

#423159 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423159
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 #423159 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423159-b29cc4-dfd74e-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