# #583db8

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

## Values

- Hex: `#583db8`
- RGB: rgb(88, 61, 184)
- HSL: hsl(253, 50%, 48%)
- OKLCH: oklch(0.465 0.184 287)
- Relative luminance: 0.0887
- Nearest named color: Blurple (#5539cc, Δ 3.293) — https://brandsweets.com/colors/blurple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/583db8

## Tints & shades

- Tints (toward white): #654bc3, #765ec9, #8671d0, #9685d6, #a798dd, #b7abe3, #c7bee9, #d8d1f0, #e8e4f6, #f8f7fc
- Shades (toward black): #5038a8, #473295, #402d86, #372673, #302163, #281c54, #1f1641, #181132, #0f0a1f, #07050f

## Harmonies

- Complementary: #9db83d
- Analogous: #3d60b8, #953db8
- Triadic: #b8583d, #3db858
- Split-complementary: #b8953d, #60b83d
- Tetradic: #b83d60, #9db83d, #3db895

## Colors that go with #583db8

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 #583db8: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #583db8: 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), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #583db8 in 4 real palettes, including Warner Bros.'s brand system and Wikipedia's brand system, as the accent. Seen in: Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Zillow's brand system and Pixar's brand system put Blue beside #583db8, as the lead colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Tesco (https://brandsweets.com/colors/brands/tesco-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #583db8: 5 real palettes, including Blue Mono and Coca-Cola's brand system, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #583db8 in 10 real palettes, including Wells Fargo's brand system and Gemstone, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #583db8: 5 real palettes, including Datadog's brand system and Campbell's's brand system, as the accent. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com). — https://brandsweets.com/colors/firebrick
- **Midnight Blue** #191970 [pool] — 12 real palettes, including Kraken's brand system and Purina Pro Plan's brand system put Midnight Blue beside #583db8, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Panasonic (https://brandsweets.com/colors/brands/panasonic-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 → #7c66cc (4.63:1); AA: background → #c9c9c9 (4.57:1); AAA: text → #9d8cd9 (7.19:1); AAA: background → #f7f7f7 (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/583db8-a99cc4-dfb84e-281f2d-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: "#583db8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.