# #243f03

A color — vivid, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#243f03`
- RGB: rgb(36, 63, 3)
- HSL: hsl(87, 91%, 13%)
- OKLCH: oklch(0.333 0.089 131.9)
- Relative luminance: 0.0394
- Nearest named color: Myrtle (#21421e, Δ 2.497) — https://brandsweets.com/colors/myrtle
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/243f03

## Tints & shades

- Tints (toward white): #3d6b05, #539207, #6cbe09, #83e50b, #99f529, #acf750, #c0f97b, #d3fba2, #e8fdce, #fafff5
- Shades (toward black): #213a03, #1f3603, #1c3102, #192c02, #192c02, #162702, #132202, #111d01, #0e1801, #0b1301

## Harmonies

- Complementary: #1e033f
- Analogous: #3f3c03, #063f03
- Triadic: #03243f, #3f0324
- Split-complementary: #03063f, #3c033f
- Tetradic: #033f3c, #1e033f, #3f0306

## Colors that go with #243f03

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #243f03 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), New Balance (https://brandsweets.com/colors/brands/newbalance-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [harmony, pool: triadic] — Denim completes a triad with #243f03 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), YouTube (https://brandsweets.com/colors/brands/youtube-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/denim
- **Blue** #0000ff [pool] — 7 real palettes, including Instacart's brand system and Jeep's brand system put Blue beside #243f03, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #243f03, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Copper** #b87333 [pool] — Designers have shipped Copper with #243f03: 7 real palettes, including Notion's brand system and Bakery. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Bakery (https://brandsweets.com/palettes/warm#bakery), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #243f03 in 7 real palettes, including Undergrowth and Olive Grove, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/darkolivegreen
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #243f03 in 8 real palettes, including Chime's brand system and WhatsApp's brand system, as the supporting colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Meadow (https://brandsweets.com/palettes/light#meadow), CircleCI (https://brandsweets.com/colors/brands/circleci-com). — https://brandsweets.com/colors/emerald-green
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #243f03: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 11.75:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.79:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4b8406 (4.6:1); AA: background → #a1a1a1 (4.55:1); AAA: text → #61aa08 (7.26:1); AAA: background → #c9c9c9 (7.1:1)

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/243f03-aebea2-4e53df-212d1f-f1f1e9?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: "#243f03" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.