Color

#1d8ebf

#1d8ebf
hex#1d8ebf
rgbrgb(29, 142, 191)
hslhsl(198, 74%, 43%)
oklchoklch(0.61 0.119 233.5)
Closest name: steelblue (#4682b4)Relative luminance 0.2337

Colors that go with #1d8ebf

Charcoal, Crimson and Royal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf4d1d

#1dbf9e · #1d3dbf

#bf1d8e · #8ebf1d

Split-complementary

Open in tool →

#bf1d3d · #bf9e1d

#9e1dbf · #bf4d1d · #3dbf1d

Contrast

#1d8ebf as textRatioAAAA largeAAAFix
Aaon white
3.7:1failpassfail
  • AA: use #197ea9 as the text (4.57:1)
  • AAA: use #135d7c as the text (7.28:1)
  • AA: or shift the background to #1c1c1c (4.6:1)
Aaon black
5.67:1passpassfail
  • AAA: use #20a2d9 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d8ebf 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

#1d8ebf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d8ebf
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 #1d8ebf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d8ebf-9cb3c4-df4e69-1f232d-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