Color

#3a8bee

#3a8bee
hex#3a8bee
rgbrgb(58, 139, 238)
hslhsl(213, 84%, 58%)
oklchoklch(0.637 0.168 255.4)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2554

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ee9d3a

#3ae5ee · #433aee

#ee3a8b · #8bee3a

Split-complementary

Open in tool →

#ee433a · #e5ee3a

#ee3ae5 · #ee9d3a · #3aee43

Contrast

#3a8bee as textRatioAAAA largeAAAFix
Aaon white
3.44:1failpassfail
  • AA: use #1472e6 as the text (4.59:1)
  • AAA: use #0f56ae as the text (7.09:1)
  • AA: or shift the background to #242424 (4.51:1)
Aaon black
6.11:1passpassfail
  • AAA: use #5199f0 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a8bee 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

#3a8bee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a8bee
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 #3a8bee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a8bee-9ca9c4-df584e-1f202d-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