#A55CD1
Closest named color: Amethyst (#9B5FC0). oklch(60.8% 0.181 310.9), rgb(165, 92, 209).
Aa
Black text reads best on this color (5.05:1).
About this color
#A55CD1 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.181 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.032 away. Black text reads best on it, at 5.05:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #A55CD1 |
| RGB | rgb(165, 92, 209) |
| HSL | hsl(277, 56%, 59%) |
| OKLCH | oklch(60.8% 0.181 310.9) |
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 #A55CD1 | 4.15:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #A55CD1 | 5.05:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #A55CD1 text on white | 4.15:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #A55CD1 text on black | 5.05:1 | AA | Lc -33.5 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE5F7
oklch(93.5% 0.026 310.4)
-
Step 200
200
#E4D1F2
oklch(88.6% 0.049 311)
-
Step 300
300
#D3B1EB
oklch(80.9% 0.088 311)
-
Step 400
400
#BD85E1
oklch(70.7% 0.142 311.2)
-
Step 500
500 (this color)
#A55CD1
oklch(60.8% 0.181 310.9)
-
Step 600
600
#9846C6
oklch(55.7% 0.197 311.1)
-
Step 700
700
#8136AB
oklch(49.1% 0.183 310.8)
-
Step 800
800
#692E8A
oklch(42.6% 0.151 311.1)
-
Step 900
900
#552B6F
oklch(37.7% 0.118 310.5)
-
Step 950
950
#321A41
oklch(27.1% 0.075 310.8)
#A55CD1 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) | #3879D5 | 0.156 |
| Deuteranopia (no green cones) | #527ECE | 0.139 |
| Tritanopia (no blue cones) | #A0718E | 0.126 |
| Achromatopsia (no color) | #7C7C7C | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A55CD1
#A55CD1
oklch(60.8% 0.181 310.9)
- #5E9500
#5E9500
oklch(60.8% 0.166 130.8)
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 #A55CD1, closest first.
No curated palette has a color within ΔE 0.04 of #A55CD1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.032
- Medium Orchid #BA55D3 ΔE 0.039
- Medium Purple #9370DB ΔE 0.052
- Lighter Purple #A55AF4 ΔE 0.053
- Deep Lavender #8D5EB7 ΔE 0.058
- Deep Lilac #966EBD ΔE 0.059
- Purpley #8756E4 ΔE 0.065
- Soft Purple #A66FB5 ΔE 0.068
Use #A55CD1 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.