#A557A4
Closest named color: Amethyst (#9B5FC0). oklch(57.7% 0.143 327.7), rgb(165, 87, 164).
Aa
White text reads best on this color (4.66:1).
About this color
#A557A4 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.143 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.047 away. White text reads best on it, at 4.66:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.49:1 |
| White text | 4.66:1 |
Values
| HEX | #A557A4 |
| RGB | rgb(165, 87, 164) |
| HSL | hsl(301, 31%, 49%) |
| OKLCH | oklch(57.7% 0.143 327.7) |
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 #A557A4 | 4.66:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #A557A4 | 4.49:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #A557A4 text on white | 4.66:1 | AA | Lc 72.1 | Content text, not long reading |
| #A557A4 text on black | 4.49:1 | AA large text | Lc -29.6 | 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
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F1E6F0
oklch(93.6% 0.018 328.5)
-
Step 200
200
#E7D1E5
oklch(88.5% 0.036 328.7)
-
Step 300
300
#D8B2D6
oklch(80.8% 0.065 327.8)
-
Step 400
400
#C389C1
oklch(70.6% 0.103 327.8)
-
Step 500
500
#B36BB2
oklch(63.2% 0.131 327.5)
-
Step 600
600 (this color)
#A557A4
oklch(57.7% 0.143 327.7)
-
Step 700
700
#874187
oklch(49.1% 0.133 327.4)
-
Step 800
800
#6E366D
oklch(42.7% 0.11 327.9)
-
Step 900
900
#592F59
oklch(37.6% 0.087 327.1)
-
Step 950
950
#341C34
oklch(26.9% 0.054 327)
#A557A4 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) | #516EA7 | 0.138 |
| Deuteranopia (no green cones) | #6778A2 | 0.124 |
| Tritanopia (no blue cones) | #A95F76 | 0.080 |
| Achromatopsia (no color) | #747474 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A557A4
#A557A4
oklch(57.7% 0.143 327.7)
- #2E8F44
#2E8F44
oklch(57.6% 0.143 147.6)
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 #A557A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.047
- Deep Lavender #8D5EB7 ΔE 0.052
- Dark Lilac #9C6DA5 ΔE 0.053
- Light Plum #9D5783 ΔE 0.054
- Soft Purple #A66FB5 ΔE 0.057
- Deep Lilac #966EBD ΔE 0.062
- Purply #983FB2 ΔE 0.067
- Faded Purple #916E99 ΔE 0.069
Use #A557A4 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.