# #613d71

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

## Values

- Hex: `#613d71`
- RGB: rgb(97, 61, 113)
- HSL: hsl(282, 30%, 34%)
- OKLCH: oklch(0.424 0.093 314.8)
- Relative luminance: 0.0707
- Nearest named color: Heartless (#623b70, Δ 0.523) — https://brandsweets.com/colors/heartless
- Moods: cool, muted
- Page: https://brandsweets.com/colors/613d71

## Tints & shades

- Tints (toward white): #724785, #86549c, #9663ab, #a57ab8, #b38ec2, #c0a2cd, #d0b9da, #ddcde4, #ede4f1, #fbf8fb
- Shades (toward black): #593767, #50325d, #472d53, #3f2749, #36223f, #2e1d35, #25172b, #1d1221, #140c17, #0b070d

## Harmonies

- Complementary: #4c713d
- Analogous: #473d71, #713d66
- Triadic: #71613d, #3d7161
- Split-complementary: #66713d, #3d7147
- Tetradic: #71473d, #4c713d, #3d6671

## Colors that go with #613d71

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 #613d71: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #613d71 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Crimson** #dc143c [pool] — Crimson is paired with #613d71 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), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #613d71: 5 real palettes, including Hinge's brand system and HP's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), HP (https://brandsweets.com/colors/brands/hp-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 4 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #613d71, as that palette's text colour. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), FIFA (https://brandsweets.com/colors/brands/fifa-com). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #613d71: 4 real palettes, including First Snow and Nursery, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Nursery (https://brandsweets.com/palettes/light#nursery), Macaron (https://brandsweets.com/palettes/light#macaron), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #613d71 in 7 real palettes, including Console Light and Stripe's brand system, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Stripe (https://brandsweets.com/colors/brands/stripe), Zoom (https://brandsweets.com/colors/brands/zoom-us), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #613d71 in 8 real palettes, including Dusk and Blush, as that palette's text colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Blush (https://brandsweets.com/palettes/light#blush), Datadog (https://brandsweets.com/colors/brands/datadoghq-com), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 8.7:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.41:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9663ab (4.67:1); AA: background → #bdbdbd (4.63:1); AAA: text → #ae88bf (7.07:1); AAA: background → #e8e8e8 (7.1:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/613d71-ba9fc1-b4cb62-2d1f2b-ebe9f1?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: "#613d71" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.