Color

#318bf2

#318bf2
hex#318bf2
rgbrgb(49, 139, 242)
hslhsl(212, 88%, 57%)
oklchoklch(0.637 0.176 254.7)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2553

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f29831

#31ebf2 · #3731f2

#f2318b · #8bf231

Split-complementary

Open in tool →

#f23731 · #ebf231

#f231eb · #f29831 · #31f237

Contrast

#318bf2 as textRatioAAAA largeAAAFix
Aaon white
3.44:1failpassfail
  • AA: use #0f73e6 as the text (4.55:1)
  • AAA: use #0b56ad as the text (7.12:1)
  • AA: or shift the background to #242424 (4.51:1)
Aaon black
6.11:1passpassfail
  • AAA: use #4998f3 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #318bf2 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

#318bf2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #318bf2
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 #318bf2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/318bf2-9caac4-df564e-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