# #37095d

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

## Values

- Hex: `#37095d`
- RGB: rgb(55, 9, 93)
- HSL: hsl(273, 82%, 20%)
- OKLCH: oklch(0.279 0.134 302.7)
- Relative luminance: 0.018
- Nearest named color: Cotinga Purple (#340059, Δ 1.72) — https://brandsweets.com/colors/cotinga-purple
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/37095d

## Tints & shades

- Tints (toward white): #4d0d82, #6311a7, #7714c8, #8c1ce9, #9f41ec, #b266f0, #c48bf4, #d5abf7, #e8d1fa, #faf6fe
- Shades (toward black): #320854, #2f084f, #290746, #270641, #210638, #1c052e, #19042a, #130320, #11031c, #0b0213

## Harmonies

- Complementary: #2f5d09
- Analogous: #0d095d, #5d0959
- Triadic: #5d3709, #095d37
- Split-complementary: #595d09, #095d0d
- Tetradic: #5d0d09, #2f5d09, #09595d

## Colors that go with #37095d

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 #37095d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Volkswagen (https://brandsweets.com/colors/brands/vw-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #37095d'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
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #37095d: 4 real palettes, including SoFi's brand system and Open House, as the supporting colour. Seen in: SoFi (https://brandsweets.com/colors/brands/sofi-com), Open House (https://brandsweets.com/palettes/clean#open-house), Coastal (https://brandsweets.com/palettes/cool#coastal), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #37095d: 6 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 #37095d 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 #37095d: 11 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 #37095d: 5 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
- **Sky Blue** #87ceeb [pool] — Sky Blue is paired with #37095d in 4 real palettes, including Pastel Pop and Coastal, as the supporting colour. Seen in: Pastel Pop (https://brandsweets.com/palettes/playful#pastel-pop), Coastal (https://brandsweets.com/palettes/cool#coastal), Harbour (https://brandsweets.com/palettes/cool#harbour), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/skyblue

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

- On white (#ffffff): 15.45:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a145ed (4.59:1); AA: background → #8c8c8c (4.59:1); AAA: text → #bb78f2 (7.08:1); AAA: background → #b0b0b0 (7.12:1)

## Brands using this color

- **MetaMask** — secondary #3d065f (Δ 1.4) — 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/37095d-b79cc4-c4cb62-2d1f2d-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: "#37095d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.