Color

#3d98fa

#3d98fa
hex#3d98fa
rgbrgb(61, 152, 250)
hslhsl(211, 95%, 61%)
oklchoklch(0.673 0.169 253.1)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3035

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa9f3d

#3df7fa · #403dfa

#fa3d98 · #98fa3d

Split-complementary

Open in tool →

#fa403d · #f7fa3d

#fa3df7 · #fa9f3d · #3dfa40

Contrast

#3d98fa as textRatioAAAA largeAAAFix
Aaon white
2.97:1failfailfail
  • AA: use #0672e5 as the text (4.62:1)
  • AAA: use #0456ae as the text (7.12:1)
  • AA: or shift the background to #2e2e2e (4.57:1)
  • AAA: or shift the background to #000000 (7.07:1)
Aaon black
7.07:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d98fa as the background.

Brands using this color

Fonts for this mood

#3d98fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d98fa
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 #3d98fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d98fa-9cabc4-df534e-1f202d-e9f1f1?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