# #5a478a

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

## Values

- Hex: `#5a478a`
- RGB: rgb(90, 71, 138)
- HSL: hsl(257, 32%, 41%)
- OKLCH: oklch(0.45 0.107 294.8)
- Relative luminance: 0.0852
- Nearest named color: Lords of the Night (#664488, Δ 2.187) — https://brandsweets.com/colors/lords-of-the-night
- Moods: cool, muted
- Page: https://brandsweets.com/colors/5a478a

## Tints & shades

- Tints (toward white): #67519e, #745dac, #8572b6, #9686c1, #a89acb, #b6abd4, #c8bfde, #d9d3e8, #e8e4f1, #f9f8fc
- Shades (toward black): #51407d, #4b3b72, #423465, #392d58, #33284d, #2a2140, #211a32, #181325, #120e1b, #09070d

## Harmonies

- Complementary: #778a47
- Analogous: #47568a, #7c478a
- Triadic: #8a5a47, #478a5a
- Split-complementary: #8a7c47, #568a47
- Tetradic: #8a4756, #778a47, #478a7c

## Colors that go with #5a478a

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 #5a478a: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Amazon (https://brandsweets.com/colors/brands/amazon-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #5a478a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: 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), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #5a478a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Capital One (https://brandsweets.com/colors/brands/capitalone-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Glacier (https://brandsweets.com/palettes/cool#glacier), FedEx (https://brandsweets.com/colors/brands/fedex-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 5 real palettes, including Tesco's brand system and CVS's brand system put Blue beside #5a478a, as the supporting colour. Seen in: Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Activision (https://brandsweets.com/colors/brands/activision-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #5a478a 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), Costco (https://brandsweets.com/colors/brands/costco-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #5a478a: 12 real palettes, including HP's brand system and Unilever's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 16 real palettes, including First Snow and FIFA's brand system put Midnight Blue beside #5a478a, as that palette's text colour. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), FIFA (https://brandsweets.com/colors/brands/fifa-com), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #5a478a in 13 real palettes, including Stripe's brand system and Fivetran blue's brand system, as the accent. Seen in: Stripe (https://brandsweets.com/colors/brands/stripe), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Motorola (https://brandsweets.com/colors/brands/motorola-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 7.77:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.7:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7f6bb3 (4.66:1); AA: background → #c7c7c7 (4.6:1); AAA: text → #9c8dc4 (7.02:1); AAA: background → #f5f5f5 (7.13:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/5a478a-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: "#5a478a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.