#A55ABC
Closest named color: Amethyst (#9B5FC0). oklch(59.4% 0.162 317.8), rgb(165, 90, 188).
Aa
Black text reads best on this color (4.78:1).
About this color
#A55ABC is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.162 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.020 away. Black text reads best on it, at 4.78:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.78:1 |
| White text | 4.38:1 |
Values
| HEX | #A55ABC |
| RGB | rgb(165, 90, 188) |
| HSL | hsl(286, 42%, 55%) |
| OKLCH | oklch(59.4% 0.162 317.8) |
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 #A55ABC | 4.38:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #A55ABC | 4.78:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #A55ABC text on white | 4.38:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #A55ABC text on black | 4.78:1 | AA | Lc -31.6 | 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 500.
-
Step 50
50
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F4
oklch(93.5% 0.023 317.1)
-
Step 200
200
#E6D1ED
oklch(88.6% 0.044 317.7)
-
Step 300
300
#D6B1E2
oklch(80.9% 0.079 317.8)
-
Step 400
400
#C186D4
oklch(70.6% 0.127 317.7)
-
Step 500
500 (this color)
#A55ABC
oklch(59.4% 0.162 317.8)
-
Step 600
600
#9C4AB5
oklch(55.6% 0.176 317.6)
-
Step 700
700
#853A9C
oklch(49.1% 0.164 317.5)
-
Step 800
800
#6C317E
oklch(42.7% 0.135 317.6)
-
Step 900
900
#582C65
oklch(37.7% 0.105 318.1)
-
Step 950
950
#341A3B
oklch(26.9% 0.068 318.8)
#A55ABC 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) | #4674BF | 0.147 |
| Deuteranopia (no green cones) | #5E7BB9 | 0.130 |
| Tritanopia (no blue cones) | #A56983 | 0.104 |
| Achromatopsia (no color) | #787878 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A55ABC
#A55ABC
oklch(59.4% 0.162 317.8)
- #489325
#489325
oklch(59.3% 0.161 137.7)
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 #A55ABC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.020
- Deep Lavender #8D5EB7 ΔE 0.043
- Deep Lilac #966EBD ΔE 0.051
- Medium Orchid #BA55D3 ΔE 0.052
- Soft Purple #A66FB5 ΔE 0.053
- Purply #983FB2 ΔE 0.063
- Dark Lilac #9C6DA5 ΔE 0.065
- Medium Purple #9370DB ΔE 0.067
Use #A55ABC 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.