Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Indigo | #4B2C6F | rgb(75, 44, 111) | hsl(268, 43%, 30%) | oklch(36.7% 0.113 303) | |
| Plum | #7E5AA5 | rgb(126, 90, 165) | hsl(269, 29%, 50%) | oklch(53.7% 0.119 305) | |
| Baby Blue | #A4BDFF | rgb(164, 189, 255) | hsl(224, 100%, 82%) | oklch(80.4% 0.098 268) | |
| Smoke | #F8F6F1 | rgb(248, 246, 241) | hsl(43, 33%, 96%) | oklch(97.3% 0.007 89) |
Why it works and how to use it
Lemon Plum & Indigo is an analogous color palette tagged cold, purple, blue. Analogous neighbors on the wheel (Indigo, Plum, Baby Blue) give it a natural, low-tension flow. Saturation is moderate, which keeps it flexible for both interfaces and print. Warm and cool hues are mixed, which adds depth.
The palette holds together thanks to its analogous hue relationship and a strong light-to-dark ladder (96% down to 30% lightness). A natural fit for websites, presentations and branding.
- Background: Smoke (#F8F6F1) is the lightest color, so it belongs on large surfaces.
- Text: Indigo (#4B2C6F) on #F8F6F1 gives 10.29:1, passing WCAG AAA.
- Primary: Baby Blue (#A4BDFF) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Plum (#7E5AA5) for highlights, badges and hover states.
3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Indigo on Smoke at 10.29:1.
Preview on a real UI see how the palette feels in context
Design faster with Lemon Plum & Indigo
A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.
Primary action SecondaryColor blindness simulation
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Palette card

Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#4B2C6F on #F8F6F1 | Aa | 10.29:1 | AAA |
#4B2C6F on #A4BDFF | Aa | 5.98:1 | AA |
#7E5AA5 on #F8F6F1 | Aa | 4.99:1 | AA |
#7E5AA5 on #A4BDFF | Aa | 2.9:1 | Fail |
#4B2C6F on #7E5AA5 | Aa | 2.06:1 | Fail |
#A4BDFF on #F8F6F1 | Aa | 1.72:1 | Fail |