Color

#23107e

#23107e
hex#23107e
rgbrgb(35, 16, 126)
hslhsl(250, 77%, 28%)
oklchoklch(0.301 0.167 277.3)
Closest name: Child of the Night (#220077)Relative luminance 0.0223

Colors that go with #23107e

Steel Blue, Charcoal 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 →

#6c7e10

#10357e · #5a107e

#7e2310 · #107e23

Split-complementary

Open in tool →

#7e5a10 · #357e10

#7e1035 · #6c7e10 · #107e5a

Contrast

#23107e as textRatioAAAA largeAAAFix
Aaon white
14.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #7861ea as the text (4.7:1)
  • AAA: use #9b8af0 as the text (7.29:1)
  • AA: or shift the background to #919191 (4.61:1)
  • AAA: or shift the background to #b5b5b5 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23107e 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

#23107e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23107e
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 #23107e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23107e-a79cc4-dfb14e-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