Color

#2977ff

#2977ff
hex#2977ff
rgbrgb(41, 119, 255)
hslhsl(218, 100%, 58%)
oklchoklch(0.602 0.216 260.8)
Closest name: Azure (#007fff)Relative luminance 0.2089

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffb029

#29e2ff · #4529ff

#ff2977 · #77ff29

Split-complementary

Open in tool →

#ff4529 · #e2ff29

#ff29e2 · #ffb029 · #29ff45

Contrast

#2977ff as textRatioAAAA largeAAAFix
Aaon white
4.06:1failpassfail
  • AA: use #146aff as the text (4.63:1)
  • AAA: use #004dd1 as the text (7.04:1)
  • AA: or shift the background to #141414 (4.54:1)
Aaon black
5.18:1passpassfail
  • AAA: use #5794ff as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2977ff as the background.

Brands using this color

Fonts for this mood

#2977ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2977ff
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 #2977ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2977ff-9ca6c4-df644e-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