# #6503dd

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#6503dd`
- RGB: rgb(101, 3, 221)
- HSL: hsl(267, 97%, 44%)
- OKLCH: oklch(0.467 0.262 290.5)
- Relative luminance: 0.0805
- Nearest named color: Electric Indigo (#6600ff, Δ 5.436) — https://brandsweets.com/colors/electric-indigo
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/6503dd

## Tints & shades

- Tints (toward white): #7104f6, #811dfc, #8f36fc, #a054fc, #ae6dfd, #bc86fd, #cda5fe, #dbbefe, #ebdcfe, #f9f5ff
- Shades (toward black): #5c03c9, #5303b5, #4a02a1, #40028d, #370279, #2e0264, #250150, #1c013c, #120128, #090014

## Harmonies

- Complementary: #7bdd03
- Analogous: #030edd, #d203dd
- Triadic: #dd6503, #03dd65
- Split-complementary: #ddd203, #0edd03
- Tetradic: #dd030e, #7bdd03, #03ddd2

## Colors that go with #6503dd

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #6503dd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), EA (https://brandsweets.com/colors/brands/ea-com), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Signal (https://brandsweets.com/colors/brands/signal-org). — https://brandsweets.com/colors/royalblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #6503dd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/olive
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #6503dd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #6503dd: 3 real palettes, including Kraken's brand system and Render's brand system, as the accent. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Render (https://brandsweets.com/colors/brands/render-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/deepskyblue
- **Forest Green** #228b22 [harmony: split] — Forest Green is a split-complement of #6503dd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/forestgreen
- **Dark Orchid** #9932cc [harmony, pool: analogous] — Dark Orchid is #6503dd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkorchid
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #6503dd: two real palettes: Zillow's brand system and Unilever's brand system, as the supporting colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #6503dd: two real palettes: Linkedin's brand system and Unilever's brand system, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/denim

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 8.04:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.61:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9745fc (4.57:1); AA: background → #c2c2c2 (4.52:1); AAA: text → #b67cfd (7.29:1); AAA: background → #f0f0f0 (7.06:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/6503dd-b39cc4-dfda4e-2c1f2d-e9eaf1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#6503dd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.