Color

#237b74

#237b74
hex#237b74
rgbrgb(35, 123, 116)
hslhsl(175, 56%, 31%)
oklchoklch(0.53 0.082 187.3)
Closest name: Emperor Jade (#007b75)Relative luminance 0.1578

Colors that go with #237b74

Charcoal, Crimson 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.

Real palettes that use #237b74

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#7b232a

#237b48 · #23567b

#74237b · #7b7423

Split-complementary

Open in tool →

#7b2356 · #7b4823

#48237b · #7b232a · #567b23

Contrast

#237b74 as textRatioAAAA largeAAAFix
Aaon white
5.05:1passpassfail
  • AAA: use #1c635e as the text (7.01:1)
Aaon black
4.16:1failpassfail
  • AA: use #25837b as the text (4.61:1)
  • AAA: use #2fa79d as the text (7.14:1)
  • AA: or shift the background to #f2f2f2 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #237b74 as the background.

Brands using this color

mcpConnect your agent — build around #237b74
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 #237b74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/237b74-a2bdbe-d4599f-1f282d-e9f1ed?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