Color

#238e90

#238e90
hex#238e90
rgbrgb(35, 142, 144)
hslhsl(181, 61%, 35%)
oklchoklch(0.591 0.092 196.9)
Closest name: darkcyan (#008b8b)Relative luminance 0.2172

Colors that go with #238e90

Charcoal, Copper and Crimson 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 #238e90

Tints & shades

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

Harmonies

Complementary

Open in tool →

#902523

#23905b · #235790

#90238e · #8e9023

Split-complementary

Open in tool →

#902357 · #905b23

#5b2390 · #902523 · #579023

Contrast

#238e90 as textRatioAAAA largeAAAFix
Aaon white
3.93:1failpassfail
  • AA: use #208283 as the text (4.58:1)
  • AAA: use #186163 as the text (7.17:1)
  • AA: or shift the background to #171717 (4.56:1)
Aaon black
5.34:1passpassfail
  • AAA: use #29a6a8 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 #238e90 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

#238e90 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #238e90
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 #238e90 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/238e90-a2babe-d45992-1f272d-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