#A558AD
Closest named color: Amethyst (#9B5FC0). oklch(58.3% 0.15 323.7), rgb(165, 88, 173).
Aa
Black text reads best on this color (4.59:1).
About this color
#A558AD is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.150 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.035 away. Black text reads best on it, at 4.59:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #A558AD |
| RGB | rgb(165, 88, 173) |
| HSL | hsl(294, 34%, 51%) |
| OKLCH | oklch(58.3% 0.15 323.7) |
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 #A558AD | 4.56:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #A558AD | 4.59:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #A558AD text on white | 4.56:1 | AA | Lc 71.3 | Content text, not long reading |
| #A558AD text on black | 4.59:1 | AA | Lc -30.3 | 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
#F1E6F1
oklch(93.7% 0.019 325.7)
-
Step 200
200
#E6D1E8
oklch(88.5% 0.038 323.2)
-
Step 300
300
#D7B2DA
oklch(80.9% 0.069 323.8)
-
Step 400
400
#C289C7
oklch(70.7% 0.108 323.9)
-
Step 500
500
#B16AB9
oklch(63.1% 0.138 323.3)
-
Step 600
600 (this color)
#A558AD
oklch(58.3% 0.15 323.7)
-
Step 700
700
#86408D
oklch(49.2% 0.14 323.9)
-
Step 800
800
#6D3572
oklch(42.7% 0.116 324.2)
-
Step 900
900
#582F5C
oklch(37.6% 0.089 323.9)
-
Step 950
950
#341C36
oklch(27% 0.057 324.2)
#A558AD 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) | #4D70B0 | 0.142 |
| Deuteranopia (no green cones) | #6479AB | 0.126 |
| Tritanopia (no blue cones) | #A8627A | 0.090 |
| Achromatopsia (no color) | #767676 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A558AD
#A558AD
oklch(58.3% 0.15 323.7)
- #38913A
#38913A
oklch(58.3% 0.15 143.7)
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 #A558AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.035
- Deep Lavender #8D5EB7 ΔE 0.045
- Soft Purple #A66FB5 ΔE 0.053
- Dark Lilac #9C6DA5 ΔE 0.056
- Deep Lilac #966EBD ΔE 0.056
- Purply #983FB2 ΔE 0.062
- Light Plum #9D5783 ΔE 0.067
- Medium Orchid #BA55D3 ΔE 0.069
Use #A558AD 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.