Color

#2978e0

#2978e0
hex#2978e0
rgbrgb(41, 120, 224)
hslhsl(214, 75%, 52%)
oklchoklch(0.582 0.176 257.1)
Closest name: royalblue (#4169e1)Relative luminance 0.1929

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e09129

#29d4e0 · #3529e0

#e02978 · #78e029

Split-complementary

Open in tool →

#e03529 · #d4e029

#e029d4 · #e09129 · #29e035

Contrast

#2978e0 as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #2073df as the text (4.59:1)
  • AAA: use #1857aa as the text (7.04:1)
  • AA: or shift the background to #0a0a0a (4.58:1)
Aaon black
4.86:1passpassfail
  • AAA: use #5a97e7 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 #2978e0 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

#2978e0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2978e0
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 #2978e0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2978e0-9ca9c4-df5a4e-1f1f2d-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