Color

#423d52

#423d52
hex#423d52
rgbrgb(66, 61, 82)
hslhsl(254, 15%, 28%)
oklchoklch(0.374 0.036 295.5)
Closest name: Call It a Night (#42364c)Relative luminance 0.051

Colors that go with #423d52

Sea Green, Steel Blue 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 →

#4d523d

#3d4252 · #4c3d52

#52423d · #3d5242

Split-complementary

Open in tool →

#524c3d · #42523d

#523d42 · #4d523d · #3d524c

Contrast

#423d52 as textRatioAAAA largeAAAFix
Aaon white
10.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #786f95 as the text (4.51:1)
  • AAA: use #9992af as the text (7.09:1)
  • AA: or shift the background to #ababab (4.52:1)
  • AAA: or shift the background to #d4d4d4 (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 #423d52 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

#423d52 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423d52
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 #423d52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423d52-aa9cc4-dfbb4e-291f2d-e9ebf1?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