# #390660

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

## Values

- Hex: `#390660`
- RGB: rgb(57, 6, 96)
- HSL: hsl(274, 88%, 20%)
- OKLCH: oklch(0.283 0.14 303.2)
- Relative luminance: 0.0184
- Nearest named color: Cotinga Purple (#340059, Δ 2.013) — https://brandsweets.com/colors/cotinga-purple
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/390660

## Tints & shades

- Tints (toward white): #500986, #670bad, #7b0dce, #9114f0, #a33af2, #b561f5, #c787f7, #d6a9f9, #e8cffc, #faf5fe
- Shades (toward black): #330656, #300551, #2b0548, #280443, #22043a, #1c0330, #1a032b, #140222, #11021d, #0b0113

## Harmonies

- Complementary: #2d6006
- Analogous: #0c0660, #60065a
- Triadic: #603906, #066039
- Split-complementary: #5a6006, #06600c
- Tetradic: #600c06, #2d6006, #065a60

## Colors that go with #390660

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #390660: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Volkswagen (https://brandsweets.com/colors/brands/vw-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #390660's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Discord (https://brandsweets.com/colors/brands/discord), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Spectrum (https://brandsweets.com/colors/brands/spectrum-com), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/royalblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #390660: 5 real palettes, including Blue Mono and Purina Pro Plan's brand system, as the lead colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), Glacier (https://brandsweets.com/palettes/cool#glacier), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #390660 in 4 real palettes, including Casper Sleep's brand system and Marvel's brand system, as the lead colour. Seen in: Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #390660: 9 real palettes, including Discover's brand system and Bank of America's brand system, as the supporting colour. Seen in: Discover (https://brandsweets.com/colors/brands/discover-com), Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com), Skechers (https://brandsweets.com/colors/brands/skechers-com). — https://brandsweets.com/colors/denim
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #390660: 4 real palettes, including First Snow and Glacier, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Glacier (https://brandsweets.com/palettes/cool#glacier), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Opera (https://brandsweets.com/colors/brands/opera-com). — https://brandsweets.com/colors/powderblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #390660: 6 real palettes, including FedEx's brand system and Discover's brand system, as the accent. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Discover (https://brandsweets.com/colors/brands/discover-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #390660 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

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

- On white (#ffffff): 15.34:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.37:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a53ff3 (4.61:1); AA: background → #8c8c8c (4.56:1); AAA: text → #be74f6 (7.02:1); AAA: background → #b0b0b0 (7.07:1)

## Brands using this color

- **MetaMask** — secondary #3d065f (Δ 0.98) — https://brandsweets.com/colors/brands/metamask-io

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/390660-b79cc4-c2cb62-2d1f2d-eae9f1?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: "#390660" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.