#523D73
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.09 300.4), rgb(82, 61, 115).
Aa
White text reads best on this color (9.23:1).
About this color
#523D73 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.090 and its hue 300°. 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 9.23:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.27:1 |
| White text | 9.23:1 |
Values
| HEX | #523D73 |
| RGB | rgb(82, 61, 115) |
| HSL | hsl(263, 31%, 35%) |
| OKLCH | oklch(40.8% 0.09 300.4) |
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 #523D73 | 9.23:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #523D73 | 2.27:1 | Fails | Lc 12.8 | Not readable |
| #523D73 text on white | 9.23:1 | AAA | Lc 91.2 | Preferred for body text |
| #523D73 text on black | 2.27:1 | Fails | Lc -11.2 | 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 800.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F3
oklch(93.7% 0.015 298.6)
-
Step 200
200
#DCD5EA
oklch(88.5% 0.029 301)
-
Step 300
300
#C6B9DE
oklch(80.8% 0.053 301.2)
-
Step 400
400
#A995CE
oklch(70.8% 0.084 300.3)
-
Step 500
500
#947AC1
oklch(63.2% 0.108 300.2)
-
Step 600
600
#7F62AD
oklch(55.7% 0.117 300.5)
-
Step 700
700
#6B5095
oklch(49% 0.11 300.4)
-
Step 800
800 (this color)
#523D73
oklch(40.8% 0.09 300.4)
-
Step 900
900
#483861
oklch(37.7% 0.071 301.1)
-
Step 950
950
#2A2139
oklch(27% 0.045 300.7)
#523D73 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) | #2E4775 | 0.058 |
| Deuteranopia (no green cones) | #324772 | 0.055 |
| Tritanopia (no blue cones) | #4C4752 | 0.071 |
| Achromatopsia (no color) | #474747 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523D73
#523D73
oklch(40.8% 0.09 300.4)
- #43510C
#43510C
oklch(40.9% 0.091 121)
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 #523D73, 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 0.061
- Twilight #4E518B ΔE 0.061
- Dusk #4E5481 ΔE 0.064
- Dusty Grape #545775 ΔE 0.075
- Rebecca Purple #663399 ΔE 0.077
- Cobalt #1E488F ΔE 0.082
- Dark Grey Blue #29465B ΔE 0.082
Use #523D73 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.