# #4d358d

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

## Values

- Hex: `#4d358d`
- RGB: rgb(77, 53, 141)
- HSL: hsl(256, 45%, 38%)
- OKLCH: oklch(0.406 0.139 291.5)
- Relative luminance: 0.0605
- Nearest named color: darkslateblue (#483d8b, Δ 2.077) — https://brandsweets.com/colors/darkslateblue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/4d358d

## Tints & shades

- Tints (toward white): #593ea3, #6546b9, #775cc1, #8a72ca, #9c89d2, #af9fdb, #c1b5e3, #d4cbeb, #e6e1f4, #f9f8fc
- Shades (toward black): #473181, #3e2b73, #382768, #302259, #2a1d4e, #241943, #1c1434, #160f29, #0e0a1a, #08060f

## Harmonies

- Complementary: #758d35
- Analogous: #354a8d, #78358d
- Triadic: #8d4d35, #358d4d
- Split-complementary: #8d7835, #4a8d35
- Tetradic: #8d354a, #758d35, #358d78

## Colors that go with #4d358d

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 #4d358d: 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), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #4d358d'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), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Nivea (https://brandsweets.com/colors/brands/nivea-com), Wayfair (https://brandsweets.com/colors/brands/wayfair-com). — https://brandsweets.com/colors/royalblue
- **Blue** #0000ff [pool] — 5 real palettes, including CVS's brand system and Procter & Gamble's brand system put Blue beside #4d358d, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Zillow (https://brandsweets.com/colors/brands/zillow-com), Tesco (https://brandsweets.com/colors/brands/tesco-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #4d358d in 7 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), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4d358d: 12 real palettes, including Warbyparker's brand system and Unilever's brand system, as the accent. Seen in: Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Slack (https://brandsweets.com/colors/brands/slack-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 11 real palettes, including Fintech Trust and First Snow put Midnight Blue beside #4d358d, as that palette's text colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), First Snow (https://brandsweets.com/palettes/cool#first-snow), Kraken (https://brandsweets.com/colors/brands/kraken-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #4d358d: 7 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
- **Taupe** #483c32 [pool] — Taupe is paired with #4d358d in 4 real palettes, including Datadog's brand system and Gillette's brand system, as that palette's text colour. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Gillette (https://brandsweets.com/colors/brands/gillette-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 9.5:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.21:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8067c5 (4.66:1); AA: background → #b3b3b3 (4.53:1); AAA: text → #9f8cd4 (7.18:1); AAA: background → #dedede (7.06:1)

## 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/4d358d-ab9cc4-dfbf4e-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: "#4d358d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.