Color

#4978ee

#4978ee
hex#4978ee
rgbrgb(73, 120, 238)
hslhsl(223, 83%, 61%)
oklchoklch(0.603 0.185 265)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2102

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eebf49

#49caee · #6d49ee

#ee4978 · #78ee49

Split-complementary

Open in tool →

#ee6d49 · #caee49

#ee49ca · #eebf49 · #49ee6d

Contrast

#4978ee as textRatioAAAA largeAAAFix
Aaon white
4.03:1failpassfail
  • AA: use #3b6ded as the text (4.57:1)
  • AAA: use #1449d2 as the text (7.21:1)
  • AA: or shift the background to #141414 (4.57:1)
Aaon black
5.2:1passpassfail
  • AAA: use #6e94f2 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4978ee 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

#4978ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4978ee
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 #4978ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4978ee-9ca3c4-df704e-211f2d-e9eff1?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