Color

#239ea4

#239ea4
hex#239ea4
rgbrgb(35, 158, 164)
hslhsl(183, 65%, 39%)
oklchoklch(0.639 0.101 200)
Closest name: Baltic (#279d9f)Relative luminance 0.2749

Colors that go with #239ea4

Charcoal, Red and Copper 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 #239ea4

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a42923

#23a46a · #235da4

#a4239e · #9ea423

Split-complementary

Open in tool →

#a4235d · #a46a23

#6a23a4 · #a42923 · #5da423

Contrast

#239ea4 as textRatioAAAA largeAAAFix
Aaon white
3.23:1failpassfail
  • AA: use #1d8187 as the text (4.62:1)
  • AAA: use #156165 as the text (7.17:1)
  • AA: or shift the background to #292929 (4.5:1)
Aaon black
6.5:1passpassfail
  • AAA: use #25a6ad as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #239ea4 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

#239ea4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #239ea4
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 #239ea4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/239ea4-a2b9be-d4598e-1f262d-e9f1ee?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