#52378A
Closest named color: Dark Slate Blue (#483D8B). oklch(41.3% 0.133 294.9), rgb(82, 55, 138).
Aa
White text reads best on this color (9.24:1).
About this color
#52378A is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.133 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.021 away. White text reads best on it, at 9.24:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #52378A |
| RGB | rgb(82, 55, 138) |
| HSL | hsl(260, 43%, 38%) |
| OKLCH | oklch(41.3% 0.133 294.9) |
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 #52378A | 9.24:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #52378A | 2.27:1 | Fails | Lc 13.0 | Not readable |
| #52378A text on white | 9.24:1 | AAA | Lc 91.0 | Preferred for body text |
| #52378A text on black | 2.27:1 | Fails | Lc -11.3 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DBD4F3
oklch(88.5% 0.043 295.9)
-
Step 300
300
#C4B7EE
oklch(80.9% 0.078 295.4)
-
Step 400
400
#A690E6
oklch(70.7% 0.125 294.8)
-
Step 500
500
#9272DE
oklch(63.1% 0.159 295.1)
-
Step 600
600
#7D58CB
oklch(55.6% 0.171 295.1)
-
Step 700
700
#6A47B0
oklch(49.1% 0.16 295.2)
-
Step 800
800 (this color)
#52378A
oklch(41.3% 0.133 294.9)
-
Step 900
900
#463472
oklch(37.7% 0.103 294.3)
-
Step 950
950
#291F43
oklch(27.1% 0.065 294.4)
#52378A 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) | #03488D | 0.091 |
| Deuteranopia (no green cones) | #124688 | 0.085 |
| Tritanopia (no blue cones) | #44495B | 0.105 |
| Achromatopsia (no color) | #474747 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #52378A
#52378A
oklch(41.3% 0.133 294.9)
- #4A5000
#4A5000
oklch(41.2% 0.093 114.6)
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 #52378A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.021
- Blueberry #464196 ΔE 0.035
- Rebecca Purple #663399 ΔE 0.045
- Twilight #4E518B ΔE 0.068
- Cobalt #1E488F ΔE 0.077
- Dusk #4E5481 ΔE 0.082
- Chrysanthemum #560BAD ΔE 0.083
- Imperial Purple #480CA8 ΔE 0.085
Use #52378A 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.