Color

#2a5bfe

#2a5bfe
hex#2a5bfe
rgbrgb(42, 91, 254)
hslhsl(226, 99%, 58%)
oklchoklch(0.549 0.247 265.4)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1513

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fecc2a

#2ac5fe · #622afe

#fe2a5b · #5bfe2a

Split-complementary

Open in tool →

#fe622a · #c5fe2a

#fe2ac5 · #fecc2a · #2afe62

Contrast

#2a5bfe as textRatioAAAA largeAAAFix
Aaon white
5.22:1passpassfail
  • AAA: use #013bf9 as the text (7.01:1)
Aaon black
4.03:1failpassfail
  • AA: use #3967fe as the text (4.55:1)
  • AAA: use #7192fe as the text (7.24:1)
  • AA: or shift the background to #f0f0f0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a5bfe as the background.

Brands using this color

Fonts for this mood

#2a5bfe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a5bfe
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 #2a5bfe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a5bfe-9ca1c4-df774e-221f2d-e9eff1?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