# #2d1d5d

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

## Values

- Hex: `#2d1d5d`
- RGB: rgb(45, 29, 93)
- HSL: hsl(255, 52%, 24%)
- OKLCH: oklch(0.292 0.109 289.4)
- Relative luminance: 0.0223
- Nearest named color: Fabric of Space (#341758, Δ 2.079) — https://brandsweets.com/colors/fabric-of-space
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/2d1d5d

## Tints & shades

- Tints (toward white): #3a2678, #4a3097, #5738b2, #6b4dc7, #8268cf, #9883d8, #b2a2e2, #c8bdea, #e2dcf4, #f9f7fd
- Shades (toward black): #2a1b55, #26184e, #221646, #1e143e, #1a1136, #170f2f, #130c27, #0f0a1f, #0b0717, #080510

## Harmonies

- Complementary: #4d5d1d
- Analogous: #1d2d5d, #4d1d5d
- Triadic: #5d2d1d, #1d5d2d
- Split-complementary: #5d4d1d, #2d5d1d
- Tetradic: #5d1d2d, #4d5d1d, #1d5d4d

## Colors that go with #2d1d5d

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 #2d1d5d: softer than #000 and cool enough to feel like part of the same palette. Seen in: CeraVe (https://brandsweets.com/colors/brands/cerave-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #2d1d5d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Discord (https://brandsweets.com/colors/brands/discord), Telehealth (https://brandsweets.com/palettes/modern#telehealth), GEICO (https://brandsweets.com/colors/brands/geico-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #2d1d5d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Subaru (https://brandsweets.com/colors/brands/subaru-com), Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/seagreen
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #2d1d5d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), Alpine (https://brandsweets.com/palettes/cool#alpine), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Clinic (https://brandsweets.com/palettes/clean#clinic). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #2d1d5d in 5 real palettes, including Southwest Airlines's brand system and Beach Hut, as the accent. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Sketch's brand system and Monzo's brand system put Blue beside #2d1d5d, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #2d1d5d: 7 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 #2d1d5d: 9 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), MLB (https://brandsweets.com/colors/brands/mlb-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/cobalt

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

- On white (#ffffff): 14.53:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.45:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7e64ce (4.6:1); AA: background → #919191 (4.61:1); AAA: text → #9f8bda (7.18:1); AAA: background → #b5b5b5 (7.09:1)

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold
- 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/2d1d5d-ab9cc4-dfbd4e-291f2d-e9ebf1?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: "#2d1d5d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.