# #45388f

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

## Values

- Hex: `#45388f`
- RGB: rgb(69, 56, 143)
- HSL: hsl(249, 44%, 39%)
- OKLCH: oklch(0.406 0.138 285.3)
- Relative luminance: 0.0608
- Nearest named color: darkslateblue (#483d8b, Δ 1.599) — https://brandsweets.com/colors/darkslateblue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/45388f

## Tints & shades

- Tints (toward white): #4f40a5, #5c4bb9, #7061c2, #8477ca, #988dd3, #a8a0da, #bcb6e2, #d0cceb, #e4e2f4, #f8f8fc
- Shades (toward black): #403384, #382e76, #33296a, #2c245c, #271f51, #201a42, #1a1537, #131028, #0e0b1d, #07060f

## Harmonies

- Complementary: #828f38
- Analogous: #38568f, #71388f
- Triadic: #8f4538, #388f45
- Split-complementary: #8f7138, #568f38
- Tetradic: #8f3856, #828f38, #388f71

## Colors that go with #45388f

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 #45388f: 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), Harbour (https://brandsweets.com/palettes/cool#harbour), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #45388f's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), FedEx (https://brandsweets.com/colors/brands/fedex-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 5 real palettes, including Procter & Gamble's brand system and CVS's brand system put Blue beside #45388f, as the supporting colour. Seen in: 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), Zillow (https://brandsweets.com/colors/brands/zillow-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #45388f in 12 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 #45388f: 14 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), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 14 real palettes, including Fintech Trust and First Snow put Midnight Blue beside #45388f, 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), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #45388f in 12 real palettes, including Nokia's brand system and Carrefour's brand system, as the supporting colour. 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), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #45388f 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), Dusk (https://brandsweets.com/palettes/cool#dusk), Superhuman (https://brandsweets.com/colors/brands/superhuman-com). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 9.48:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.22:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7668c4 (4.55:1); AA: background → #b3b3b3 (4.52:1); AAA: text → #988dd3 (7.09:1); AAA: background → #dedede (7.05:1)

## 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/45388f-a79cc4-dfae4e-271f2d-e9ecf1?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: "#45388f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.