#A553C7
Closest named color: Amethyst (#9B5FC0). oklch(59% 0.184 314.9), rgb(165, 83, 199).
Aa
Black text reads best on this color (4.66:1).
About this color
#A553C7 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.184 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.033 away. Black text reads best on it, at 4.66:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #A553C7 |
| RGB | rgb(165, 83, 199) |
| HSL | hsl(282, 51%, 55%) |
| OKLCH | oklch(59% 0.184 314.9) |
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 #A553C7 | 4.50:1 | AA | Lc -76.2 | Fine for body text |
| Black text on #A553C7 | 4.66:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #A553C7 text on white | 4.50:1 | AA | Lc 70.8 | Content text, not long reading |
| #A553C7 text on black | 4.66:1 | AA | Lc -30.9 | 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 600.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D1EF
oklch(88.6% 0.046 314.6)
-
Step 300
300
#D5B1E6
oklch(80.9% 0.083 314.8)
-
Step 400
400
#BF86D9
oklch(70.7% 0.132 314.7)
-
Step 500
500
#AF64CF
oklch(63% 0.171 314.9)
-
Step 600
600 (this color)
#A553C7
oklch(59% 0.184 314.9)
-
Step 700
700
#8439A2
oklch(49.2% 0.171 314.9)
-
Step 800
800
#6B3083
oklch(42.7% 0.142 314.9)
-
Step 900
900
#572C69
oklch(37.8% 0.11 314.9)
-
Step 950
950
#331A3E
oklch(27% 0.071 314.6)
#A553C7 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) | #3272CB | 0.168 |
| Deuteranopia (no green cones) | #5179C4 | 0.148 |
| Tritanopia (no blue cones) | #A26785 | 0.123 |
| Achromatopsia (no color) | #777777 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A553C7
#A553C7
oklch(59% 0.184 314.9)
- #4C9200
#4C9200
oklch(59% 0.172 134.8)
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 #A553C7, closest first.
No curated palette has a color within ΔE 0.04 of #A553C7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.033
- Medium Orchid #BA55D3 ΔE 0.042
- Deep Lavender #8D5EB7 ΔE 0.054
- Purply #983FB2 ΔE 0.055
- Dark Orchid #9932CC ΔE 0.066
- Deep Lilac #966EBD ΔE 0.068
- Lighter Purple #A55AF4 ΔE 0.068
- Pinky Purple #C94CBE ΔE 0.068
Use #A553C7 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.