Color

#0178ef

#0178ef
hex#0178ef
rgbrgb(1, 120, 239)
hslhsl(210, 99%, 47%)
oklchoklch(0.587 0.2 256)
Closest name: Azure (#007fff)Relative luminance 0.1967

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef7801

#01efef · #0101ef

#ef0178 · #78ef01

Split-complementary

Open in tool →

#ef0101 · #efef01

#ef01ef · #ef7801 · #01ef01

Contrast

#0178ef as textRatioAAAA largeAAAFix
Aaon white
4.26:1failpassfail
  • AA: use #0173e4 as the text (4.59:1)
  • AAA: use #0157ad as the text (7.08:1)
  • AA: or shift the background to #0f0f0f (4.5:1)
Aaon black
4.93:1passpassfail
  • AAA: use #3499fe as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0178ef 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

#0178ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0178ef
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 #0178ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0178ef-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