# #513cd7

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

## Values

- Hex: `#513cd7`
- RGB: rgb(81, 60, 215)
- HSL: hsl(248, 66%, 54%)
- OKLCH: oklch(0.485 0.223 280.2)
- Relative luminance: 0.0989
- Nearest named color: Blurple (#5539cc, Δ 1.957) — https://brandsweets.com/colors/blurple
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/513cd7

## Tints & shades

- Tints (toward white): #604ddb, #7362df, #8273e2, #9588e7, #a499ea, #b3aaee, #c6c0f2, #d5d0f5, #e8e6fa, #f7f7fd
- Shades (toward black): #402acf, #3a26ba, #3322a5, #2d1d90, #26197b, #201566, #191050, #120c3b, #0c0826, #050311

## Harmonies

- Complementary: #c2d73c
- Analogous: #3c75d7, #9e3cd7
- Triadic: #d7513c, #3cd751
- Split-complementary: #d79e3c, #75d73c
- Tetradic: #d73c75, #c2d73c, #3cd79e

## Colors that go with #513cd7

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 #513cd7: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com), HP (https://brandsweets.com/colors/brands/hp-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 #513cd7: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Intel (https://brandsweets.com/colors/brands/intel-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
- **Amber** #ffbf00 [pool] — Amber is paired with #513cd7 in 6 real palettes, including Walmart's brand system and Warner Bros.'s brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #513cd7: 10 real palettes, including Warbyparker's brand system and Oreo's brand system, as the supporting colour. Seen in: Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Oreo (https://brandsweets.com/colors/brands/oreo-com), Zillow (https://brandsweets.com/colors/brands/zillow-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #513cd7: 10 real palettes, including Qualcomm's brand system and Roblox's brand system, as the supporting colour. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Roblox (https://brandsweets.com/colors/brands/roblox-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #513cd7 in 16 real palettes, including Behance's brand system and Gemstone, as the accent. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #513cd7: 4 real palettes, including Kraken's brand system and Calm's brand system, as the accent. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Calm (https://brandsweets.com/colors/brands/calm-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Render (https://brandsweets.com/colors/brands/render-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #513cd7: 8 real palettes, including Coursera's brand system and HashiCorp's brand system, as the supporting colour. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), OnePlus (https://brandsweets.com/colors/brands/oneplus-com), Apple (https://brandsweets.com/colors/brands/apple-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 7.05:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.98:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7362df (4.54:1); AA: background → #cfcfcf (4.53:1); AAA: text → #998de8 (7.33:1); AAA: background → #ffffff (7.05:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/513cd7-a69cc4-dfac4e-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: "#513cd7" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.