Color

#276dc4

#276dc4
hex#276dc4
rgbrgb(39, 109, 196)
hslhsl(213, 67%, 46%)
oklchoklch(0.538 0.152 256)
Closest name: Campanula (#3473b7)Relative luminance 0.1535

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c47d27

#27bcc4 · #2f27c4

#c4276d · #6dc427

Split-complementary

Open in tool →

#c42f27 · #bcc427

#c427bc · #c47d27 · #27c42f

Contrast

#276dc4 as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #1f589e as the text (7.12:1)
Aaon black
4.07:1failpassfail
  • AA: use #2975d1 as the text (4.56:1)
  • AAA: use #5d98df as the text (7.02:1)
  • AA: or shift the background to #f0f0f0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #276dc4 as the background.

Brands using this color

Fonts for this mood

#276dc4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #276dc4
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 #276dc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/276dc4-9ca9c4-df584e-1f202d-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