UI Shades

A study in indigo

Dark Slate Blue

#483D8B

Family
Indigo
L
0.414
C
0.125
H
286°

Notes

Dark Slate Blue is a deep, slightly violet-leaning blue-gray with strong heritage associations. The CSS hex is dark enough to function as type against pale backgrounds and works well as a primary brand color for financial, legal, or editorial products. Cream and warm gold alongside give an editorial palette; rust accents push it toward a heritage look. Against white the contrast holds at small sizes. Against off-white it produces a calm library-shelf feel that suits long-form reading layouts. Body text against white passes AAA at every size, making it one of the more accessible blue-purples in the spec.

#483d8b
Dark Slate Blue
Dark Slate Blue
#483d8b
oklch(0.414 0.125 286.04)
rgb(72 61 139)
hsl(248.5 39% 39.2%)
Share
#f8f8ff
#f1f1ff
#e1e0ff
#cfccff
#ada5ff
#8579e4
#6e60c9
#5a4cac
#483d8b
#2b215d
#161035

See your palette on a real UI - coming soon

Preview these shades across buttons, cards, and components in a live interface.

Plate 02

Palette built around Dark Slate Blue

Cross-reference
Q&A

Frequently asked questions

What is Dark Slate Blue?

Dark Slate Blue is a deep, slightly violet-leaning blue-gray with strong heritage associations. The CSS hex is dark enough to function as type against pale backgrounds and works well as a primary brand color for financial, legal, or editorial products. Its hex code is #483D8B.

What are the tints and shades of Dark Slate Blue?

uishades builds an 11-step OKLCH ramp for Dark Slate Blue (#483D8B) - its lightest tints through its darkest shades - plus an 11-stop Tailwind scale (50–950), both keyed to the same 50–950 stops. Lightness steps stay evenly spaced and the hue stays stable, so the mid-tones don't go muddy.

What colors pair well with Dark Slate Blue?

Its complementary color is #544E00. Triadic partners are #7F2F00 and #005D3D; analogous neighbours are #653178 and #134A8D.

What are the OKLCH and RGB values of Dark Slate Blue?

Dark Slate Blue is #483D8B - OKLCH 0.414 0.125 286°, rgb(72 61 139), in the indigo family.