Color

#30233e

#30233e
hex#30233e
rgbrgb(48, 35, 62)
hslhsl(269, 28%, 19%)
oklchoklch(0.284 0.051 305.5)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0218

Colors that go with #30233e

Charcoal, Dark Olive Green and Sea Green 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 →

#313e23

#23233e · #3e233e

#3e3023 · #233e30

Split-complementary

Open in tool →

#3e3e23 · #233e23

#3e2323 · #313e23 · #233e3e

Contrast

#30233e as textRatioAAAA largeAAAFix
Aaon white
14.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #8969ab as the text (4.67:1)
  • AAA: use #a58dbf as the text (7.16:1)
  • AA: or shift the background to #8f8f8f (4.52:1)
  • AAA: or shift the background to #b5b5b5 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30233e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#30233e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30233e
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 #30233e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30233e-b49cc4-cbcb62-2c1f2d-e9e9f1?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