Color

#23017a

#23017a
hex#23017a
rgbrgb(35, 1, 122)
hslhsl(257, 98%, 24%)
oklchoklch(0.283 0.171 279.2)
Closest name: Child of the Night (#220077)Relative luminance 0.0178

Colors that go with #23017a

Charcoal, Steel Blue and Cobalt 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#577901

#011b79 · #5f0179

#792301 · #017923

Split-complementary

Open in tool →

#795f01 · #1b7901

#79011b · #577901 · #01795f

Contrast

#23017a as textRatioAAAA largeAAAFix
Aaon white
15.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #8353fd as the text (4.62:1)
  • AAA: use #a481fe as the text (7.15:1)
  • AA: or shift the background to #8c8c8c (4.6:1)
  • AAA: or shift the background to #b0b0b0 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23017a 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

#23017a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23017a
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 #23017a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23017a-ac9cc4-dfc24e-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