# #583181

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

## Values

- Hex: `#583181`
- RGB: rgb(88, 49, 129)
- HSL: hsl(269, 45%, 35%)
- OKLCH: oklch(0.403 0.131 303.5)
- Relative luminance: 0.0586
- Nearest named color: Galactic Compass (#48357b, Δ 3.223) — https://brandsweets.com/colors/galactic-compass
- Moods: cool, modern
- Page: https://brandsweets.com/colors/583181

## Tints & shades

- Tints (toward white): #673a98, #7943b1, #8855be, #976bc7, #aa85d1, #b99bd9, #c9b1e2, #d8c8ea, #eae1f4, #faf8fc
- Shades (toward black): #502d76, #49296b, #412460, #3a2055, #321c4a, #28163b, #211230, #190e25, #120a1a, #0a060f

## Harmonies

- Complementary: #5b8131
- Analogous: #313281, #803181
- Triadic: #815831, #318158
- Split-complementary: #818031, #328131
- Tetradic: #813132, #5b8131, #318180

## Colors that go with #583181

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 #583181: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #583181 in 5 real palettes, including Wells Fargo's brand system and Lenovo's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #583181: 7 real palettes, including Hinge's brand system and Slack's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Slack (https://brandsweets.com/colors/brands/slack-com), HP (https://brandsweets.com/colors/brands/hp-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Microsoft's brand system and First Snow put Midnight Blue beside #583181, as the accent. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Kraken (https://brandsweets.com/colors/brands/kraken-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #583181 in 5 real palettes, including Wayfair's brand system and Nokia's brand system, as the supporting colour. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Zoom (https://brandsweets.com/colors/brands/zoom-us). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #583181: 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
- **Taupe** #483c32 [pool] — Taupe is paired with #583181 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
- **Dark Olive Green** #556b2f [harmony: complementary] — Dark Olive Green sits directly opposite #583181 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 9.67:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.17:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9060c3 (4.65:1); AA: background → #b3b3b3 (4.61:1); AAA: text → #ac89d2 (7.26:1); AAA: background → #dedede (7.19:1)

## 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/583181-b49cc4-cbcb62-2c1f2d-e9e9f1?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: "#583181" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.