#9C51AE
Closest named color: Amethyst (#9B5FC0). oklch(56.2% 0.158 319.6), rgb(156, 81, 174).
Aa
White text reads best on this color (4.99:1).
About this color
#9C51AE is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.158 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.038 away. White text reads best on it, at 4.99:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #9C51AE |
| RGB | rgb(156, 81, 174) |
| HSL | hsl(288, 36%, 50%) |
| OKLCH | oklch(56.2% 0.158 319.6) |
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 #9C51AE | 4.99:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #9C51AE | 4.20:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #9C51AE text on white | 4.99:1 | AA | Lc 74.2 | Content text, not long reading |
| #9C51AE text on black | 4.20:1 | AA large text | Lc -27.6 | Dividers and decoration only |
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 600.
-
Step 50
50
#F8F3F9
oklch(97% 0.01 320.5)
-
Step 100
100
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E5D1EA
oklch(88.5% 0.04 319.5)
-
Step 300
300
#D5B2DE
oklch(80.8% 0.072 319.3)
-
Step 400
400
#C089CD
oklch(70.8% 0.114 319.8)
-
Step 500
500
#AF6AC0
oklch(63.2% 0.145 319.5)
-
Step 600
600 (this color)
#9C51AE
oklch(56.2% 0.158 319.6)
-
Step 700
700
#833F94
oklch(49% 0.147 319.2)
-
Step 800
800
#6B3578
oklch(42.7% 0.121 319.5)
-
Step 900
900
#572F61
oklch(37.8% 0.095 319.4)
-
Step 950
950
#331C39
oklch(27.1% 0.06 319.1)
#9C51AE 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) | #406AB1 | 0.146 |
| Deuteranopia (no green cones) | #5772AB | 0.130 |
| Tritanopia (no blue cones) | #9D5E78 | 0.098 |
| Achromatopsia (no color) | #6F6F6F | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9C51AE
#9C51AE
oklch(56.2% 0.158 319.6)
- #3A8A23
#3A8A23
oklch(56.2% 0.158 139.7)
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 #9C51AE, closest first.
No curated palette has a color within ΔE 0.04 of #9C51AE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.038
- Deep Lavender #8D5EB7 ΔE 0.038
- Purply #983FB2 ΔE 0.040
- Deep Lilac #966EBD ΔE 0.067
- Dark Lilac #9C6DA5 ΔE 0.072
- Light Plum #9D5783 ΔE 0.073
- Soft Purple #A66FB5 ΔE 0.074
- Light Eggplant #894585 ΔE 0.075
Use #9C51AE 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.