#A555AB
Closest named color: Amethyst (#9B5FC0). oklch(57.8% 0.153 324.7), rgb(165, 85, 171).
Aa
White text reads best on this color (4.67:1).
About this color
#A555AB is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.153 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 4.67:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.48:1 |
| White text | 4.67:1 |
Values
| HEX | #A555AB |
| RGB | rgb(165, 85, 171) |
| HSL | hsl(296, 34%, 50%) |
| OKLCH | oklch(57.8% 0.153 324.7) |
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 #A555AB | 4.67:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #A555AB | 4.48:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #A555AB text on white | 4.67:1 | AA | Lc 72.1 | Content text, not long reading |
| #A555AB text on black | 4.48:1 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E6F1
oklch(93.7% 0.019 325.7)
-
Step 200
200
#E7D1E7
oklch(88.5% 0.038 325.9)
-
Step 300
300
#D8B2DA
oklch(81% 0.069 324.6)
-
Step 400
400
#C388C7
oklch(70.6% 0.111 324.5)
-
Step 500
500
#B369B8
oklch(63.1% 0.14 324.8)
-
Step 600
600 (this color)
#A555AB
oklch(57.8% 0.153 324.7)
-
Step 700
700
#873F8D
oklch(49.2% 0.142 324.5)
-
Step 800
800
#6E3472
oklch(42.7% 0.118 324.9)
-
Step 900
900
#592E5C
oklch(37.6% 0.092 324.8)
-
Step 950
950
#341C36
oklch(27% 0.057 324.2)
#A555AB 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) | #4B6EAE | 0.146 |
| Deuteranopia (no green cones) | #6377A8 | 0.130 |
| Tritanopia (no blue cones) | #A85F78 | 0.090 |
| Achromatopsia (no color) | #747474 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A555AB
#A555AB
oklch(57.8% 0.153 324.7)
- #309039
#309039
oklch(57.8% 0.153 144.7)
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 #A555AB, 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 0.048
- Purply #983FB2 ΔE 0.058
- Soft Purple #A66FB5 ΔE 0.060
- Dark Lilac #9C6DA5 ΔE 0.061
- Deep Lilac #966EBD ΔE 0.062
- Light Plum #9D5783 ΔE 0.066
- Medium Orchid #BA55D3 ΔE 0.071
Use #A555AB 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.