#A563D3
Closest named color: Amethyst (#9B5FC0). oklch(62% 0.173 309.5), rgb(165, 99, 211).
Aa
Black text reads best on this color (5.32:1).
About this color
#A563D3 is a medium-dark, vivid purple. In OKLCH its lightness is 62%, its chroma 0.173 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.034 away. Black text reads best on it, at 5.32:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #A563D3 |
| RGB | rgb(165, 99, 211) |
| HSL | hsl(275, 56%, 61%) |
| OKLCH | oklch(62% 0.173 309.5) |
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 #A563D3 | 3.94:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #A563D3 | 5.32:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #A563D3 text on white | 3.94:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #A563D3 text on black | 5.32:1 | AA | Lc -35.2 | 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 500.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F7
oklch(93.7% 0.025 309.4)
-
Step 200
200
#E2D1F1
oklch(88.4% 0.047 309.2)
-
Step 300
300
#D1B2EA
oklch(80.9% 0.084 309.6)
-
Step 400
400
#BA88E0
oklch(70.8% 0.135 309.4)
-
Step 500
500 (this color)
#A563D3
oklch(62% 0.173 309.5)
-
Step 600
600
#944AC4
oklch(55.6% 0.188 309.5)
-
Step 700
700
#7E3AA9
oklch(49% 0.175 309.6)
-
Step 800
800
#663189
oklch(42.6% 0.145 309.3)
-
Step 900
900
#532D6E
oklch(37.7% 0.112 309)
-
Step 950
950
#311B40
oklch(27% 0.071 309.9)
#A563D3 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) | #427DD7 | 0.142 |
| Deuteranopia (no green cones) | #5881D0 | 0.127 |
| Tritanopia (no blue cones) | #9F7692 | 0.121 |
| Achromatopsia (no color) | #808080 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A563D3
#A563D3
oklch(62% 0.173 309.5)
- #659800
#659800
oklch(62% 0.165 129.4)
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 #A563D3, closest first.
No curated palette has a color within ΔE 0.04 of #A563D3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.034
- Medium Purple #9370DB ΔE 0.040
- Medium Orchid #BA55D3 ΔE 0.044
- Deep Lilac #966EBD ΔE 0.051
- Lighter Purple #A55AF4 ΔE 0.055
- Soft Purple #A66FB5 ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.060
- Light Urple #B36FF6 ΔE 0.061
Use #A563D3 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.