Color

#12015a

#12015a
hex#12015a
rgbrgb(18, 1, 90)
hslhsl(251, 98%, 18%)
oklchoklch(0.224 0.139 275.1)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0089

Colors that go with #12015a

Charcoal, Steel Blue and Blue 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.

Real palettes that use #12015a

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#4a5b01

#011d5b · #3e015b

#5b1101 · #015b11

Split-complementary

Open in tool →

#5b3e01 · #1d5b01

#5b011d · #4a5b01 · #015b3e

Contrast

#12015a as textRatioAAAA largeAAAFix
Aaon white
17.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #7758fd as the text (4.6:1)
  • AAA: use #9c86fe as the text (7.25:1)
  • AA: or shift the background to #808080 (4.51:1)
  • AAA: or shift the background to #a3a3a3 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12015a 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

#12015a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12015a
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 #12015a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12015a-a89cc4-dfb34e-281f2d-e9ecf1?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