#523D70
Closest named color: Dark Slate Blue (#483D8B). oklch(40.6% 0.086 301.7), rgb(82, 61, 112).
Aa
White text reads best on this color (9.29:1).
About this color
#523D70 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.086 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.049 away. White text reads best on it, at 9.29:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.26:1 |
| White text | 9.29:1 |
Values
| HEX | #523D70 |
| RGB | rgb(82, 61, 112) |
| HSL | hsl(265, 29%, 34%) |
| OKLCH | oklch(40.6% 0.086 301.7) |
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 #523D70 | 9.29:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #523D70 | 2.26:1 | Fails | Lc 12.6 | Not readable |
| #523D70 text on white | 9.29:1 | AAA | Lc 91.3 | Preferred for body text |
| #523D70 text on black | 2.26:1 | Fails | Lc -11.0 | 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 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
#C6BADC
oklch(81% 0.049 301.4)
-
Step 400
400
#A995CB
oklch(70.7% 0.08 301.3)
-
Step 500
500
#957ABE
oklch(63.1% 0.104 301.8)
-
Step 600
600
#7F62AA
oklch(55.5% 0.112 301.4)
-
Step 700
700
#6C5192
oklch(49.2% 0.105 301.8)
-
Step 800
800 (this color)
#523D70
oklch(40.6% 0.086 301.7)
-
Step 900
900
#48395F
oklch(37.8% 0.066 301.5)
-
Step 950
950
#2A2138
oklch(26.9% 0.043 301.5)
#523D70 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) | #2F4772 | 0.058 |
| Deuteranopia (no green cones) | #34476F | 0.053 |
| Tritanopia (no blue cones) | #4D4651 | 0.066 |
| Achromatopsia (no color) | #474747 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523D70
#523D70
oklch(40.6% 0.086 301.7)
- #425013
#425013
oklch(40.6% 0.085 121.6)
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 #523D70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.049
- Twilight #4E518B ΔE 0.064
- Dusk #4E5481 ΔE 0.065
- Blueberry #464196 ΔE 0.065
- Dusty Grape #545775 ΔE 0.075
- Dark Grey Blue #29465B ΔE 0.079
- Rebecca Purple #663399 ΔE 0.082
- YInMn Blue #415A77 ΔE 0.084
Use #523D70 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.