Color

#d6311f

#d6311f
hex#d6311f
rgbrgb(214, 49, 31)
hslhsl(6, 75%, 48%)
oklchoklch(0.573 0.203 30.4)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1659

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1fc4d6

#d61f68 · #d68d1f

#1fd631 · #311fd6

Split-complementary

Open in tool →

#1fd68d · #1f68d6

#68d61f · #1fc4d6 · #8d1fd6

Contrast

#d6311f as textRatioAAAA largeAAAFix
Aaon white
4.86:1passpassfail
  • AAA: use #a52618 as the text (7.27:1)
Aaon black
4.32:1failpassfail
  • AA: use #df3320 as the text (4.63:1)
  • AAA: use #e97467 as the text (7.16:1)
  • AA: or shift the background to #f7f7f7 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d6311f as the background.

Brands using this color

Fonts for this mood

#d6311f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d6311f
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 #d6311f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d6311f-c4a59c-62cba3-2d271f-f1e9ec?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