#A557AA
Closest named color: Amethyst (#9B5FC0). oklch(58% 0.149 325), rgb(165, 87, 170).
Aa
White text reads best on this color (4.62:1).
About this color
#A557AA is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.149 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.039 away. White text reads best on it, at 4.62:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.54:1 |
| White text | 4.62:1 |
Values
| HEX | #A557AA |
| RGB | rgb(165, 87, 170) |
| HSL | hsl(296, 33%, 50%) |
| OKLCH | oklch(58% 0.149 325) |
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 #A557AA | 4.62:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #A557AA | 4.54:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #A557AA text on white | 4.62:1 | AA | Lc 71.7 | Content text, not long reading |
| #A557AA text on black | 4.54:1 | AA | Lc -29.9 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E6F1
oklch(93.7% 0.019 325.7)
-
Step 200
200
#E6D1E7
oklch(88.4% 0.037 324.5)
-
Step 300
300
#D7B2D9
oklch(80.8% 0.067 324.6)
-
Step 400
400
#C289C5
oklch(70.6% 0.106 324.9)
-
Step 500
500
#B26AB7
oklch(63.1% 0.137 324.7)
-
Step 600
600 (this color)
#A557AA
oklch(58% 0.149 325)
-
Step 700
700
#86408B
oklch(49.1% 0.138 324.9)
-
Step 800
800
#6D3571
oklch(42.6% 0.115 324.8)
-
Step 900
900
#592F5B
oklch(37.7% 0.089 325.5)
-
Step 950
950
#341C35
oklch(27% 0.056 325.6)
#A557AA 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) | #4E6FAD | 0.142 |
| Deuteranopia (no green cones) | #6478A8 | 0.127 |
| Tritanopia (no blue cones) | #A86179 | 0.087 |
| Achromatopsia (no color) | #757575 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A557AA
#A557AA
oklch(58% 0.149 325)
- #34903D
#34903D
oklch(57.9% 0.148 145)
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 #A557AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.047
- Soft Purple #A66FB5 ΔE 0.056
- Dark Lilac #9C6DA5 ΔE 0.056
- Deep Lilac #966EBD ΔE 0.059
- Purply #983FB2 ΔE 0.062
- Light Plum #9D5783 ΔE 0.063
- Medium Orchid #BA55D3 ΔE 0.073
Use #A557AA 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.