#AA57B2
Closest named color: Amethyst (#9B5FC0). oklch(59% 0.159 324), rgb(170, 87, 178).
Aa
Black text reads best on this color (4.71:1).
About this color
#AA57B2 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.159 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.036 away. Black text reads best on it, at 4.71:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #AA57B2 |
| RGB | rgb(170, 87, 178) |
| HSL | hsl(295, 37%, 52%) |
| OKLCH | oklch(59% 0.159 324) |
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 #AA57B2 | 4.45:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #AA57B2 | 4.71:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #AA57B2 text on white | 4.45:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #AA57B2 text on black | 4.71:1 | AA | Lc -31.2 | Non-text elements, placeholder text |
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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E5F2
oklch(93.5% 0.022 323.4)
-
Step 200
200
#E7D1E8
oklch(88.6% 0.039 324.6)
-
Step 300
300
#D8B1DB
oklch(80.8% 0.072 323.9)
-
Step 400
400
#C487C9
oklch(70.7% 0.115 324.1)
-
Step 500
500
#B467BB
oklch(63.1% 0.147 324.1)
-
Step 600
600 (this color)
#AA57B2
oklch(59% 0.159 324)
-
Step 700
700
#883D8F
oklch(49.1% 0.148 324.1)
-
Step 800
800
#6E3374
oklch(42.6% 0.122 323.8)
-
Step 900
900
#5A2D5E
oklch(37.7% 0.097 324.2)
-
Step 950
950
#351B37
oklch(27% 0.061 324.5)
#AA57B2 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) | #4B71B5 | 0.152 |
| Deuteranopia (no green cones) | #647BAF | 0.136 |
| Tritanopia (no blue cones) | #AD627C | 0.095 |
| Achromatopsia (no color) | #777777 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA57B2
#AA57B2
oklch(59% 0.159 324)
- #329437
#329437
oklch(58.9% 0.159 144)
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 #AA57B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.036
- Deep Lavender #8D5EB7 ΔE 0.053
- Soft Purple #A66FB5 ΔE 0.055
- Medium Orchid #BA55D3 ΔE 0.058
- Deep Lilac #966EBD ΔE 0.059
- Pinky Purple #C94CBE ΔE 0.061
- Dark Lilac #9C6DA5 ΔE 0.063
- Purply #983FB2 ΔE 0.064
Use #AA57B2 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.