Color

#1a91bc

#1a91bc
hex#1a91bc
rgbrgb(26, 145, 188)
hslhsl(196, 76%, 42%)
oklchoklch(0.616 0.116 229.2)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.241

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc451a

#1abc97 · #1a40bc

#bc1a91 · #91bc1a

Split-complementary

Open in tool →

#bc1a40 · #bc971a

#971abc · #bc451a · #40bc1a

Contrast

#1a91bc as textRatioAAAA largeAAAFix
Aaon white
3.61:1failpassfail
  • AA: use #167ca2 as the text (4.73:1)
  • AAA: use #115d79 as the text (7.33:1)
  • AA: or shift the background to #1f1f1f (4.57:1)
Aaon black
5.82:1passpassfail
  • AAA: use #1da2d3 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a91bc as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#1a91bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a91bc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1a91bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a91bc-9cb5c4-df4e6e-1f232d-e9f1ef?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