#523D71
Closest named color: Dark Slate Blue (#483D8B). oklch(40.7% 0.088 301.2), rgb(82, 61, 113).
Aa
White text reads best on this color (9.27:1).
About this color
#523D71 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.088 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 0.047 away. White text reads best on it, at 9.27:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #523D71 |
| RGB | rgb(82, 61, 113) |
| HSL | hsl(264, 30%, 34%) |
| OKLCH | oklch(40.7% 0.088 301.2) |
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 #523D71 | 9.27:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #523D71 | 2.26:1 | Fails | Lc 12.7 | Not readable |
| #523D71 text on white | 9.27:1 | AAA | Lc 91.3 | Preferred for body text |
| #523D71 text on black | 2.26:1 | Fails | Lc -11.1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5E9
oklch(88.5% 0.028 301.7)
-
Step 300
300
#C6B9DD
oklch(80.8% 0.052 301.7)
-
Step 400
400
#A995CC
oklch(70.7% 0.082 301)
-
Step 500
500
#947ABF
oklch(63.1% 0.105 300.8)
-
Step 600
600
#7F62AB
oklch(55.6% 0.114 301.1)
-
Step 700
700
#6B5193
oklch(49.1% 0.106 300.7)
-
Step 800
800 (this color)
#523D71
oklch(40.7% 0.088 301.2)
-
Step 900
900
#483860
oklch(37.6% 0.069 301.6)
-
Step 950
950
#2A2138
oklch(26.9% 0.043 301.5)
#523D71 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) | #2F4773 | 0.058 |
| Deuteranopia (no green cones) | #334770 | 0.054 |
| Tritanopia (no blue cones) | #4C4651 | 0.068 |
| Achromatopsia (no color) | #474747 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523D71
#523D71
oklch(40.7% 0.088 301.2)
- #425010
#425010
oklch(40.6% 0.088 121.3)
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 #523D71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.047
- Twilight #4E518B ΔE 0.063
- Blueberry #464196 ΔE 0.064
- Dusk #4E5481 ΔE 0.065
- Dusty Grape #545775 ΔE 0.075
- Rebecca Purple #663399 ΔE 0.080
- Dark Grey Blue #29465B ΔE 0.080
- Cobalt #1E488F ΔE 0.084
Use #523D71 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.