Color

#238cd7

#238cd7
hex#238cd7
rgbrgb(35, 140, 215)
hslhsl(205, 72%, 49%)
oklchoklch(0.619 0.145 245.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2402

Colors that go with #238cd7

Charcoal, Orange 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d76e23

#23d7c8 · #2332d7

#d7238c · #8cd723

Split-complementary

Open in tool →

#d72332 · #d7c823

#c823d7 · #d76e23 · #32d723

Contrast

#238cd7 as textRatioAAAA largeAAAFix
Aaon white
3.62:1failpassfail
  • AA: use #1f7bbd as the text (4.54:1)
  • AAA: use #175b8c as the text (7.21:1)
  • AA: or shift the background to #1f1f1f (4.56:1)
Aaon black
5.8:1passpassfail
  • AAA: use #3e9ce0 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #238cd7 as the background.

Brands using this color

Fonts for this mood

#238cd7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #238cd7
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 #238cd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/238cd7-9cafc4-df4e58-1f212d-e9f1f0?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