#A55AB5
Closest named color: Amethyst (#9B5FC0). oklch(59% 0.155 320.4), rgb(165, 90, 181).
Aa
Black text reads best on this color (4.72:1).
About this color
#A55AB5 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.155 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.025 away. Black text reads best on it, at 4.72:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.72:1 |
| White text | 4.44:1 |
Values
| HEX | #A55AB5 |
| RGB | rgb(165, 90, 181) |
| HSL | hsl(289, 38%, 53%) |
| OKLCH | oklch(59% 0.155 320.4) |
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 #A55AB5 | 4.44:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #A55AB5 | 4.72:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #A55AB5 text on white | 4.44:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #A55AB5 text on black | 4.72:1 | 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
#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
#D5B3DD
oklch(81% 0.069 319.8)
-
Step 400
400
#C089CB
oklch(70.7% 0.111 320.7)
-
Step 500
500
#AF6ABE
oklch(63.1% 0.142 320.3)
-
Step 600
600 (this color)
#A55AB5
oklch(59% 0.155 320.4)
-
Step 700
700
#844092
oklch(49.2% 0.144 320.5)
-
Step 800
800
#6B3576
oklch(42.6% 0.119 320.6)
-
Step 900
900
#572F60
oklch(37.7% 0.093 320)
-
Step 950
950
#331C38
oklch(27% 0.059 320.3)
#A55AB5 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) | #4B72B8 | 0.142 |
| Deuteranopia (no green cones) | #627AB2 | 0.126 |
| Tritanopia (no blue cones) | #A6667F | 0.097 |
| Achromatopsia (no color) | #787878 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A55AB5
#A55AB5
oklch(59% 0.155 320.4)
- #429231
#429231
oklch(58.9% 0.154 140.4)
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 #A55AB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.025
- Deep Lavender #8D5EB7 ΔE 0.043
- Soft Purple #A66FB5 ΔE 0.050
- Deep Lilac #966EBD ΔE 0.050
- Dark Lilac #9C6DA5 ΔE 0.058
- Medium Orchid #BA55D3 ΔE 0.060
- Purply #983FB2 ΔE 0.064
- Pinky Purple #C94CBE ΔE 0.069
Use #A55AB5 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.