# #5b4a87

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

## Values

- Hex: `#5b4a87`
- RGB: rgb(91, 74, 135)
- HSL: hsl(257, 29%, 41%)
- OKLCH: oklch(0.455 0.098 295)
- Relative luminance: 0.0887
- Nearest named color: Freshly Purpleized (#5c5083, Δ 1.95) — https://brandsweets.com/colors/freshly-purpleized
- Moods: cool, muted
- Page: https://brandsweets.com/colors/5b4a87

## Tints & shades

- Tints (toward white): #69559b, #7561a8, #8675b3, #9889be, #a99cc9, #b7add2, #c8c0dd, #dad4e7, #e8e5f1, #f9f8fb
- Shades (toward black): #52437a, #4c3e70, #433663, #3a2f56, #332a4c, #2a223f, #211b31, #191424, #120e1a, #09070d

## Harmonies

- Complementary: #76874a
- Analogous: #4a5787, #7a4a87
- Triadic: #875b4a, #4a875b
- Split-complementary: #877a4a, #57874a
- Tetradic: #874a57, #76874a, #4a877a

## Colors that go with #5b4a87

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 #5b4a87: 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), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #5b4a87: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-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
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #5b4a87'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), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 4 real palettes, including Tesco's brand system and CVS's brand system put Blue beside #5b4a87, 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 #5b4a87 in 10 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 #5b4a87: 12 real palettes, including HP's brand system and The New York Times's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Dutch Bros (https://brandsweets.com/colors/brands/dutchbros-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/denim
- **Light Coral** #f08080 [pool] — Designers have shipped Light Coral with #5b4a87: 4 real palettes, including Sentry's brand system and Cobalt Pop, as the lead colour. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io), Cobalt Pop (https://brandsweets.com/palettes/bold#cobalt-pop), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/lightcoral
- **Midnight Blue** #191970 [pool] — 13 real palettes, including First Snow and Lufthansa's brand system put Midnight Blue beside #5b4a87, as that palette's text colour. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), FIFA (https://brandsweets.com/colors/brands/fifa-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 7.57:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.77:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7e6bae (4.6:1); AA: background → #c9c9c9 (4.57:1); AAA: text → #9d8fc1 (7.13:1); AAA: background → #f7f7f7 (7.07:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/5b4a87-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: "#5b4a87" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.