#523579
Closest named color: Dark Slate Blue (#483D8B). oklch(39.7% 0.113 301.1), rgb(82, 53, 121).
Aa
White text reads best on this color (9.79:1).
About this color
#523579 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.113 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.038 away. White text reads best on it, at 9.79:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.14:1 |
| White text | 9.79:1 |
Values
| HEX | #523579 |
| RGB | rgb(82, 53, 121) |
| HSL | hsl(266, 39%, 34%) |
| OKLCH | oklch(39.7% 0.113 301.1) |
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 #523579 | 9.79:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #523579 | 2.14:1 | Fails | Lc 11.5 | Not readable |
| #523579 text on white | 9.79:1 | AAA | Lc 92.5 | Preferred for body text |
| #523579 text on black | 2.14:1 | Fails | Lc -10.0 | 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
#ECE6F8
oklch(93.5% 0.025 301.1)
-
Step 200
200
#DED3F4
oklch(88.6% 0.046 300.7)
-
Step 300
300
#CAB4EF
oklch(80.9% 0.085 301.6)
-
Step 400
400
#AF8BE7
oklch(70.6% 0.135 301)
-
Step 500
500
#9C6BE0
oklch(63% 0.173 300.9)
-
Step 600
600
#884FCE
oklch(55.6% 0.189 301.1)
-
Step 700
700
#733FB2
oklch(49% 0.175 300.9)
-
Step 800
800
#5E3590
oklch(42.7% 0.145 301.2)
-
Step 900
900 (this color)
#523579
oklch(39.7% 0.113 301.1)
-
Step 950
950
#2D1C43
oklch(26.9% 0.072 301.9)
#523579 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) | #1B437B | 0.082 |
| Deuteranopia (no green cones) | #244377 | 0.075 |
| Tritanopia (no blue cones) | #4A4251 | 0.086 |
| Achromatopsia (no color) | #444444 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523579
#523579
oklch(39.7% 0.113 301.1)
- #404E00
#404E00
oklch(39.7% 0.095 120.7)
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 #523579, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.038
- Blueberry #464196 ΔE 0.057
- Rebecca Purple #663399 ΔE 0.064
- Twilight #4E518B ΔE 0.076
- Dusk #4E5481 ΔE 0.084
- Cobalt #1E488F ΔE 0.086
- Indigo #4B0082 ΔE 0.088
- Grape Purple #5D1451 ΔE 0.091
Use #523579 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.