Color

#23865b

#23865b
hex#23865b
rgbrgb(35, 134, 91)
hslhsl(154, 59%, 33%)
oklchoklch(0.553 0.112 159.9)
Closest name: seagreen (#2e8b57)Relative luminance 0.1816

Colors that go with #23865b

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 →

#86234e

#238629 · #237f86

#5b2386 · #865b23

Split-complementary

Open in tool →

#86237f · #862923

#292386 · #86234e · #7f8623

Contrast

#23865b as textRatioAAAA largeAAAFix
Aaon white
4.53:1passpassfail
  • AAA: use #1a6545 as the text (7.02:1)
Aaon black
4.63:1passpassfail
  • AAA: use #2caa74 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23865b as the background.

Brands using this color

mcpConnect your agent — build around #23865b
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 #23865b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23865b-a2beb5-d459ca-1f2d2d-e9f1ea?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