#A55CD3
Closest named color: Amethyst (#9B5FC0). oklch(61% 0.184 310.4), rgb(165, 92, 211).
Aa
Black text reads best on this color (5.07:1).
About this color
#A55CD3 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.184 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.035 away. Black text reads best on it, at 5.07:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.07:1 |
| White text | 4.14:1 |
Values
| HEX | #A55CD3 |
| RGB | rgb(165, 92, 211) |
| HSL | hsl(277, 57%, 59%) |
| OKLCH | oklch(61% 0.184 310.4) |
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 #A55CD3 | 4.14:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #A55CD3 | 5.07:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #A55CD3 text on white | 4.14:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #A55CD3 text on black | 5.07:1 | AA | Lc -33.6 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F7
oklch(93.5% 0.026 310.4)
-
Step 200
200
#E3D1F2
oklch(88.5% 0.049 309.7)
-
Step 300
300
#D3B1EC
oklch(81% 0.089 310.5)
-
Step 400
400
#BC85E3
oklch(70.7% 0.144 310.1)
-
Step 500
500 (this color)
#A55CD3
oklch(61% 0.184 310.4)
-
Step 600
600
#9745C8
oklch(55.6% 0.2 310.2)
-
Step 700
700
#8135AC
oklch(49% 0.186 310.6)
-
Step 800
800
#692E8C
oklch(42.8% 0.154 310.3)
-
Step 900
900
#552A70
oklch(37.7% 0.121 310.2)
-
Step 950
950
#321A41
oklch(27.1% 0.075 310.8)
#A55CD3 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) | #3679D7 | 0.157 |
| Deuteranopia (no green cones) | #517ED0 | 0.139 |
| Tritanopia (no blue cones) | #9F718F | 0.127 |
| Achromatopsia (no color) | #7D7D7D | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A55CD3
#A55CD3
oklch(61% 0.184 310.4)
- #609500
#609500
oklch(60.9% 0.165 130.3)
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 #A55CD3, closest first.
No curated palette has a color within ΔE 0.04 of #A55CD3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.035
- Medium Orchid #BA55D3 ΔE 0.039
- Lighter Purple #A55AF4 ΔE 0.050
- Medium Purple #9370DB ΔE 0.051
- Deep Lavender #8D5EB7 ΔE 0.060
- Deep Lilac #966EBD ΔE 0.061
- Purpley #8756E4 ΔE 0.063
- Light Urple #B36FF6 ΔE 0.068
Use #A55CD3 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.