#3D3B6B
#6D6CA6
#B9B8E3
#F2F1FB
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Dusk | #4F4E7F | rgb(79, 78, 127) | hsl(241, 24%, 40%) | oklch(44.7% 0.079 284) | |
| Steel Blue | #7E7EB9 | rgb(126, 126, 185) | hsl(240, 30%, 61%) | oklch(61.7% 0.089 283) | |
| Periwinkle | #D1D0FC | rgb(209, 208, 252) | hsl(241, 88%, 90%) | oklch(87.3% 0.061 286) | |
| Snow | #FAF9FF | rgb(250, 249, 255) | hsl(250, 100%, 99%) | oklch(98.5% 0.008 294) |
Classic Steel Blue & Dusk is a light, monochromatic color palette tagged cold, muted, blue. A monochromatic set: the same hue family from Dusk down to Snow. Saturation is moderate, which keeps it flexible for both interfaces and print. The overall temperature is cool.
It works because the lightness range is wide (40% to 99%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Dusk on Snow at 7.35:1.
A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.
Primary action SecondaryColor-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.

| Pair | Sample | Ratio | Level |
|---|---|---|---|
#4F4E7F on #FAF9FF | Aa | 7.35:1 | AAA |
#4F4E7F on #D1D0FC | Aa | 5.18:1 | AA |
#7E7EB9 on #FAF9FF | Aa | 3.6:1 | AA large only |
#7E7EB9 on #D1D0FC | Aa | 2.54:1 | Fail |
#4F4E7F on #7E7EB9 | Aa | 2.04:1 | Fail |
#D1D0FC on #FAF9FF | Aa | 1.42:1 | Fail |