Color

#338ce6

#338ce6
hex#338ce6
rgbrgb(51, 140, 230)
hslhsl(210, 78%, 55%)
oklchoklch(0.632 0.159 252.1)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2517

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e68c33

#33e6e6 · #3333e6

#e6338c · #8ce633

Split-complementary

Open in tool →

#e63333 · #e6e633

#e633e6 · #e68c33 · #33e633

Contrast

#338ce6 as textRatioAAAA largeAAAFix
Aaon white
3.48:1failpassfail
  • AA: use #1a75d1 as the text (4.66:1)
  • AAA: use #14599f as the text (7.1:1)
  • AA: or shift the background to #212121 (4.63:1)
Aaon black
6.03:1passpassfail
  • AAA: use #4999e9 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #338ce6 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

#338ce6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #338ce6
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 #338ce6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/338ce6-9cabc4-df514e-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