#523370
Closest named color: Dark Slate Blue (#483D8B). oklch(38.8% 0.104 305.6), rgb(82, 51, 112).
Aa
White text reads best on this color (10.16:1).
About this color
#523370 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.104 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.051 away. White text reads best on it, at 10.16:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.16:1 |
Values
| HEX | #523370 |
| RGB | rgb(82, 51, 112) |
| HSL | hsl(270, 37%, 32%) |
| OKLCH | oklch(38.8% 0.104 305.6) |
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 #523370 | 10.16:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #523370 | 2.06:1 | Fails | Lc 10.6 | Not readable |
| #523370 text on white | 10.16:1 | AAA | Lc 93.4 | Preferred for body text |
| #523370 text on black | 2.06:1 | Fails | Lc -9.1 | 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 900.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#E0D2F1
oklch(88.5% 0.045 305.9)
-
Step 300
300
#CDB4E9
oklch(80.9% 0.078 306.1)
-
Step 400
400
#B38BDE
oklch(70.6% 0.125 305.6)
-
Step 500
500
#A16CD5
oklch(63.1% 0.16 305.6)
-
Step 600
600
#8C51C2
oklch(55.5% 0.173 305.6)
-
Step 700
700
#7741A8
oklch(49.1% 0.162 305.4)
-
Step 800
800
#613688
oklch(42.7% 0.134 305.6)
-
Step 900
900 (this color)
#523370
oklch(38.8% 0.104 305.6)
-
Step 950
950
#2E1D40
oklch(27% 0.066 304.8)
#523370 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) | #204072 | 0.080 |
| Deuteranopia (no green cones) | #29416E | 0.073 |
| Tritanopia (no blue cones) | #4D3E4C | 0.077 |
| Achromatopsia (no color) | #414141 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523370
#523370
oklch(38.8% 0.104 305.6)
- #384D00
#384D00
oklch(38.8% 0.098 125.5)
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 #523370, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Blueberry #464196 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.077
- Grape Purple #5D1451 ΔE 0.079
- Twilight #4E518B ΔE 0.085
- Dusk #4E5481 ΔE 0.090
- Royal Purple #4B006E ΔE 0.090
- Indigo #4B0082 ΔE 0.090
Use #523370 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.