Color

#3a98fd

#3a98fd
hex#3a98fd
rgbrgb(58, 152, 253)
hslhsl(211, 98%, 61%)
oklchoklch(0.674 0.173 253.2)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3045

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd9f3a

#3afafd · #3d3afd

#fd3a98 · #98fd3a

Split-complementary

Open in tool →

#fd3d3a · #fafd3a

#fd3afa · #fd9f3a · #3afd3d

Contrast

#3a98fd as textRatioAAAA largeAAAFix
Aaon white
2.96:1failfailfail
  • AA: use #0271e8 as the text (4.64:1)
  • AAA: use #0256b1 as the text (7.07:1)
  • AA: or shift the background to #2e2e2e (4.58:1)
  • AAA: or shift the background to #000000 (7.09:1)
Aaon black
7.09:1passpasspassPasses 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 #3a98fd as the background.

Brands using this color

Fonts for this mood

#3a98fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a98fd
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 #3a98fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a98fd-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