#523178
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.118 302.7), rgb(82, 49, 120).
Aa
White text reads best on this color (10.14:1).
About this color
#523178 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.118 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.044 away. White text reads best on it, at 10.14:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.14:1 |
Values
| HEX | #523178 |
| RGB | rgb(82, 49, 120) |
| HSL | hsl(268, 42%, 33%) |
| OKLCH | oklch(39% 0.118 302.7) |
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 #523178 | 10.14:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #523178 | 2.06:1 | Fails | Lc 10.7 | Not readable |
| #523178 text on white | 10.14:1 | AAA | Lc 93.2 | Preferred for body text |
| #523178 text on black | 2.06:1 | Fails | Lc -9.2 | 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 900.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F5
oklch(88.5% 0.049 302.3)
-
Step 300
300
#CCB3F0
oklch(80.9% 0.088 303.2)
-
Step 400
400
#B289E9
oklch(70.7% 0.142 302.6)
-
Step 500
500
#A068E2
oklch(63.1% 0.181 302.7)
-
Step 600
600
#8C4BD0
oklch(55.6% 0.198 302.9)
-
Step 700
700
#773BB4
oklch(49.1% 0.184 302.9)
-
Step 800
800
#603292
oklch(42.7% 0.152 302.4)
-
Step 900
900 (this color)
#523178
oklch(39% 0.118 302.7)
-
Step 950
950
#2E1B44
oklch(26.9% 0.076 303.1)
#523178 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) | #13417A | 0.091 |
| Deuteranopia (no green cones) | #204176 | 0.082 |
| Tritanopia (no blue cones) | #4B3F4F | 0.089 |
| Achromatopsia (no color) | #414141 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523178
#523178
oklch(39% 0.118 302.7)
- #3C4C00
#3C4C00
oklch(38.9% 0.095 122.4)
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 #523178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.044
- Blueberry #464196 ΔE 0.063
- Rebecca Purple #663399 ΔE 0.066
- Indigo #4B0082 ΔE 0.079
- Royal Purple #4B006E ΔE 0.084
- Grape Purple #5D1451 ΔE 0.085
- Twilight #4E518B ΔE 0.085
- Cobalt #1E488F ΔE 0.092
Use #523178 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.