#5D428B
Closest named color: Dark Slate Blue (#483D8B). oklch(44.4% 0.118 298.6), rgb(93, 66, 139).
Aa
White text reads best on this color (8.02:1).
About this color
#5D428B is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.118 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.041 away. White text reads best on it, at 8.02:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.61:1 |
| White text | 8.02:1 |
Values
| HEX | #5D428B |
| RGB | rgb(93, 66, 139) |
| HSL | hsl(262, 36%, 40%) |
| OKLCH | oklch(44.4% 0.118 298.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5D428B | 8.02:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #5D428B | 2.61:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #5D428B text on white | 8.02:1 | AAA | Lc 87.6 | Fine for body text |
| #5D428B text on black | 2.61:1 | Fails | Lc -14.5 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DCD4F0
oklch(88.5% 0.039 298.7)
-
Step 300
300
#C6B7E8
oklch(80.8% 0.07 298.8)
-
Step 400
400
#AA91DC
oklch(70.7% 0.11 298.9)
-
Step 500
500
#9574D2
oklch(63.1% 0.14 298.5)
-
Step 600
600
#805BBF
oklch(55.6% 0.152 298.4)
-
Step 700
700
#6D4AA5
oklch(49.2% 0.142 298.8)
-
Step 800
800 (this color)
#5D428B
oklch(44.4% 0.118 298.6)
-
Step 900
900
#48356B
oklch(37.7% 0.091 298.1)
-
Step 950
950
#2A1F3F
oklch(26.9% 0.059 298.2)
#5D428B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #28508E | 0.079 |
| Deuteranopia (no green cones) | #2F5089 | 0.073 |
| Tritanopia (no blue cones) | #535060 | 0.092 |
| Achromatopsia (no color) | #505050 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D428B
#5D428B
oklch(44.4% 0.118 298.6)
- #4E5B00
#4E5B00
oklch(44.4% 0.104 118.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5D428B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.044
- Rebecca Purple #663399 ΔE 0.044
- Twilight #4E518B ΔE 0.045
- Dusk #4E5481 ΔE 0.058
- Dusty Grape #545775 ΔE 0.076
- Denim Blue #3B5B92 ΔE 0.078
- Dusky Blue #475F94 ΔE 0.081
Use #5D428B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.