Color

#23157e

#23157e
hex#23157e
rgbrgb(35, 21, 126)
hslhsl(248, 71%, 29%)
oklchoklch(0.306 0.163 276.8)
Closest name: midnightblue (#191970)Relative luminance 0.024

Colors that go with #23157e

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 →

#707e15

#153c7e · #58157e

#7e2315 · #157e23

Split-complementary

Open in tool →

#7e5815 · #3c7e15

#7e153c · #707e15 · #157e58

Contrast

#23157e as textRatioAAAA largeAAAFix
Aaon white
14.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.48:1failfailfail
  • AA: use #7362e4 as the text (4.6:1)
  • AAA: use #9689eb as the text (7.07:1)
  • AA: or shift the background to #919191 (4.5:1)
  • AAA: or shift the background to #b8b8b8 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23157e 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

#23157e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23157e
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 #23157e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23157e-a69cc4-dfac4e-271f2d-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