Color

#10043a

#10043a
hex#10043a
rgbrgb(16, 4, 58)
hslhsl(253, 87%, 12%)
oklchoklch(0.183 0.096 282.5)
Closest name: Quiet Abyss (#160435)Relative luminance 0.005

Colors that go with #10043a

Charcoal, Denim and Rust 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 →

#2e3904

#041339 · #2a0439

#391004 · #043910

Split-complementary

Open in tool →

#392a04 · #133904

#390413 · #2e3904 · #04392a

Contrast

#10043a as textRatioAAAA largeAAAFix
Aaon white
19.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #7a58f3 as the text (4.52:1)
  • AAA: use #a088f7 as the text (7.36:1)
  • AA: or shift the background to #7d7d7d (4.64:1)
  • AAA: or shift the background to #9e9e9e (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10043a as the background.

Brands using this color

Fonts for this mood

#10043a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10043a
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 #10043a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10043a-a99cc4-dfb84e-281f2d-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