Color

#237bf6

#237bf6
hex#237bf6
rgbrgb(35, 123, 246)
hslhsl(215, 92%, 55%)
oklchoklch(0.602 0.202 258.3)
Closest name: Azure (#007fff)Relative luminance 0.2118

Colors that go with #237bf6

Charcoal, Crimson 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 →

#f69e23

#23e4f6 · #3423f6

#f6237b · #7bf623

Split-complementary

Open in tool →

#f63423 · #e4f623

#f623e4 · #f69e23 · #23f634

Contrast

#237bf6 as textRatioAAAA largeAAAFix
Aaon white
4.01:1failpassfail
  • AA: use #0f6ff5 as the text (4.55:1)
  • AAA: use #0852ba as the text (7.18:1)
  • AA: or shift the background to #141414 (4.59:1)
Aaon black
5.24:1passpassfail
  • AAA: use #5498f8 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #237bf6 as the background.

Brands using this color

Fonts for this mood

#237bf6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #237bf6
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 #237bf6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/237bf6-9ca8c4-df5d4e-201f2d-e9f0f1?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