# #370477

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

## Values

- Hex: `#370477`
- RGB: rgb(55, 4, 119)
- HSL: hsl(267, 93%, 24%)
- OKLCH: oklch(0.303 0.164 292.8)
- Relative luminance: 0.0223
- Nearest named color: Galactic Federation (#330077, Δ 1.053) — https://brandsweets.com/colors/galactic-federation
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/370477

## Tints & shades

- Tints (toward white): #480699, #5a07c0, #6a08e2, #7f1df7, #923ff8, #a662f9, #bc89fb, #d0abfc, #e6d3fd, #f9f5ff
- Shades (toward black): #33046c, #2e0462, #2a0359, #25034f, #200245, #1c023b, #170231, #130127, #0e011e, #090114

## Harmonies

- Complementary: #437604
- Analogous: #040a76, #700476
- Triadic: #763804, #047638
- Split-complementary: #767004, #0a7604
- Tetradic: #76040a, #437604, #047670

## Colors that go with #370477

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 #370477: 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), Boeing (https://brandsweets.com/colors/brands/boeing-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com). — https://brandsweets.com/colors/charcoal
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #370477: 4 real palettes, including Purina Pro Plan's brand system and Blue Mono, as the accent. Seen in: Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Tide (https://brandsweets.com/colors/brands/tide-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #370477 in 5 real palettes, including Casper Sleep's brand system and Pepsi's brand system, as the lead colour. Seen in: Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #370477'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), Confluent (https://brandsweets.com/colors/brands/confluent-io), Nivea (https://brandsweets.com/colors/brands/nivea-com). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #370477: 5 real palettes, including FedEx's brand system and Deep Water, as the accent. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #370477 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #370477: 3 real palettes, including Bank of America's brand system and Panasonic's brand system, as the accent. Seen in: Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #370477 in 3 real palettes, including Taco Bell's brand system and Confluent's brand system, as the accent. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/lightseagreen

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

- On white (#ffffff): 14.52:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.45:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9849f8 (4.64:1); AA: background → #919191 (4.61:1); AAA: text → #b47afa (7.1:1); AAA: background → #b5b5b5 (7.08:1)

## 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/370477-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: "#370477" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.