#52428B
Closest named color: Dark Slate Blue (#483D8B). oklch(43.3% 0.117 290.8), rgb(82, 66, 139).
Aa
White text reads best on this color (8.36:1).
About this color
#52428B is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.117 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.023 away. White text reads best on it, at 8.36:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.51:1 |
| White text | 8.36:1 |
Values
| HEX | #52428B |
| RGB | rgb(82, 66, 139) |
| HSL | hsl(253, 36%, 40%) |
| OKLCH | oklch(43.3% 0.117 290.8) |
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 #52428B | 8.36:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #52428B | 2.51:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #52428B text on white | 8.36:1 | AAA | Lc 88.7 | Fine for body text |
| #52428B text on black | 2.51:1 | Fails | Lc -13.5 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D5F1
oklch(88.4% 0.038 290.5)
-
Step 300
300
#C0BAEA
oklch(81% 0.067 290.5)
-
Step 400
400
#A194E0
oklch(70.7% 0.11 291.2)
-
Step 500
500
#8A78D7
oklch(63.1% 0.14 290.5)
-
Step 600
600
#755FC4
oklch(55.6% 0.152 290.6)
-
Step 700
700
#634EA9
oklch(49.1% 0.14 291)
-
Step 800
800 (this color)
#52428B
oklch(43.3% 0.117 290.8)
-
Step 900
900
#42376E
oklch(37.7% 0.092 290.5)
-
Step 950
950
#272140
oklch(27.1% 0.057 291)
#52428B 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) | #244F8E | 0.065 |
| Deuteranopia (no green cones) | #264C89 | 0.063 |
| Tritanopia (no blue cones) | #435160 | 0.096 |
| Achromatopsia (no color) | #4E4E4E | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #52428B
#52428B
oklch(43.3% 0.117 290.8)
- #535500
#535500
oklch(43.3% 0.095 111.3)
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 #52428B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.023
- Blueberry #464196 ΔE 0.027
- Twilight #4E518B ΔE 0.041
- Rebecca Purple #663399 ΔE 0.053
- Dusk #4E5481 ΔE 0.056
- Cobalt #1E488F ΔE 0.068
- Dusk Blue #26538D ΔE 0.068
- Denim Blue #3B5B92 ΔE 0.071
Use #52428B 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.