Color

#2a91c0

#2a91c0
hex#2a91c0
rgbrgb(42, 145, 192)
hslhsl(199, 64%, 46%)
oklchoklch(0.62 0.115 233.3)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2455

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c05a2a

#2ac0a5 · #2a46c0

#c02a91 · #91c02a

Split-complementary

Open in tool →

#c02a46 · #c0a52a

#a52ac0 · #c05a2a · #46c02a

Contrast

#2a91c0 as textRatioAAAA largeAAAFix
Aaon white
3.55:1failpassfail
  • AA: use #257ea7 as the text (4.54:1)
  • AAA: use #1c5e7d as the text (7.13:1)
  • AA: or shift the background to #212121 (4.53:1)
Aaon black
5.91:1passpassfail
  • AAA: use #329fd2 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a91c0 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

#2a91c0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a91c0
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 #2a91c0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a91c0-9cb3c4-df4e66-1f232d-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