Color

#12816b

#12816b
hex#12816b
rgbrgb(18, 129, 107)
hslhsl(168, 76%, 29%)
oklchoklch(0.54 0.098 174.6)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1689

Colors that go with #12816b

Charcoal, Crimson and Medium Violet Red 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 →

#821228

#128233 · #126082

#6c1282 · #826c12

Split-complementary

Open in tool →

#821260 · #823312

#331282 · #821228 · #608212

Contrast

#12816b as textRatioAAAA largeAAAFix
Aaon white
4.8:1passpassfail
  • AAA: use #0d6352 as the text (7.18:1)
Aaon black
4.38:1failpassfail
  • AA: use #12876f as the text (4.72:1)
  • AAA: use #17ab8d as the text (7.25:1)
  • AA: or shift the background to #fafafa (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12816b as the background.

Brands using this color

Fonts for this mood

#12816b reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12816b
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 #12816b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12816b-a2bebc-d459ad-1f2a2d-e9f1ec?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