#A55AB3
Closest named color: Amethyst (#9B5FC0). oklch(58.9% 0.153 321.1), rgb(165, 90, 179).
Aa
Black text reads best on this color (4.71:1).
About this color
#A55AB3 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.153 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.027 away. Black text reads best on it, at 4.71:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #A55AB3 |
| RGB | rgb(165, 90, 179) |
| HSL | hsl(291, 37%, 53%) |
| OKLCH | oklch(58.9% 0.153 321.1) |
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 #A55AB3 | 4.45:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #A55AB3 | 4.71:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #A55AB3 text on white | 4.45:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #A55AB3 text on black | 4.71:1 | AA | Lc -31.1 | 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
#F8F3F9
oklch(97% 0.01 320.5)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E5D1E9
oklch(88.4% 0.039 320.6)
-
Step 300
300
#D6B3DC
oklch(81% 0.068 321.4)
-
Step 400
400
#C089CA
oklch(70.6% 0.11 321.2)
-
Step 500
500
#AF6ABC
oklch(63% 0.14 321.1)
-
Step 600
600 (this color)
#A55AB3
oklch(58.9% 0.153 321.1)
-
Step 700
700
#844090
oklch(49.1% 0.142 321.4)
-
Step 800
800
#6B3675
oklch(42.7% 0.116 321.1)
-
Step 900
900
#572F5F
oklch(37.7% 0.092 320.8)
-
Step 950
950
#331C37
oklch(26.9% 0.058 321.5)
#A55AB3 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) | #4C72B6 | 0.141 |
| Deuteranopia (no green cones) | #627AB0 | 0.126 |
| Tritanopia (no blue cones) | #A7667E | 0.095 |
| Achromatopsia (no color) | #777777 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A55AB3
#A55AB3
oklch(58.9% 0.153 321.1)
- #419234
#419234
oklch(58.9% 0.153 141)
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 #A55AB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.027
- Deep Lavender #8D5EB7 ΔE 0.043
- Soft Purple #A66FB5 ΔE 0.049
- Deep Lilac #966EBD ΔE 0.050
- Dark Lilac #9C6DA5 ΔE 0.056
- Medium Orchid #BA55D3 ΔE 0.062
- Purply #983FB2 ΔE 0.064
- Pinky Purple #C94CBE ΔE 0.070
Use #A55AB3 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.