Color

#42153e

#42153e
hex#42153e
rgbrgb(66, 21, 62)
hslhsl(305, 52%, 17%)
oklchoklch(0.285 0.09 331.3)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0204

Colors that go with #42153e

Charcoal, 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 →

#154219

#2f1542 · #421528

#3e4215 · #153e42

Split-complementary

Open in tool →

#284215 · #15422f

#422f15 · #154219 · #152842

Contrast

#42153e as textRatioAAAA largeAAAFix
Aaon white
14.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #c23db7 as the text (4.65:1)
  • AAA: use #d373cb as the text (7.08:1)
  • AA: or shift the background to #8f8f8f (4.61:1)
  • AAA: or shift the background to #b3b3b3 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42153e 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

#42153e reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42153e
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 #42153e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42153e-c19fba-8ccb62-2d1f26-eee9f1?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