# #513597

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

## Values

- Hex: `#513597`
- RGB: rgb(81, 53, 151)
- HSL: hsl(257, 48%, 40%)
- OKLCH: oklch(0.418 0.152 291.6)
- Relative luminance: 0.0653
- Nearest named color: darkslateblue (#483d8b, Δ 3.095) — https://brandsweets.com/colors/darkslateblue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/513597

## Tints & shades

- Tints (toward white): #5d3dae, #6b4abf, #7b5dc6, #8d73ce, #a08ad6, #b2a1de, #c4b7e6, #d4caec, #e6e1f4, #f9f7fc
- Shades (toward black): #493088, #432c7d, #3b266d, #352262, #2c1d53, #241844, #1e1439, #160f2a, #100b1e, #08050f

## Harmonies

- Complementary: #7b9735
- Analogous: #354a97, #823597
- Triadic: #975135, #359751
- Split-complementary: #978235, #4a9735
- Tetradic: #97354a, #7b9735, #359782

## Colors that go with #513597

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 #513597: 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), Hinge (https://brandsweets.com/colors/brands/hinge-co), Harbour (https://brandsweets.com/palettes/cool#harbour), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #513597's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #513597: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/seagreen
- **Blue** #0000ff [pool] — 5 real palettes, including Zillow's brand system and Procter & Gamble's brand system put Blue beside #513597, as the lead colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #513597 in 11 real palettes, including Wells Fargo's brand system and Walgreens's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Costco (https://brandsweets.com/colors/brands/costco-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #513597: 10 real palettes, including Warbyparker's brand system and Slack's brand system, as the accent. Seen in: Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Slack (https://brandsweets.com/colors/brands/slack-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 12 real palettes, including Kraken's brand system and Blue Mono put Midnight Blue beside #513597, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #513597: 5 real palettes, including FedEx's brand system and Fintech Trust, as the accent. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue

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

- On white (#ffffff): 9.11:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.31:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8164c9 (4.6:1); AA: background → #b8b8b8 (4.59:1); AAA: text → #a08ad6 (7.1:1); AAA: background → #e3e3e3 (7.1:1)

## Fonts for this mood

- 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/513597-ac9cc4-dfc24e-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: "#513597" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.