#A553CA
Closest named color: Amethyst (#9B5FC0). oklch(59.2% 0.188 314), rgb(165, 83, 202).
Aa
Black text reads best on this color (4.69:1).
About this color
#A553CA is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.188 and its hue 314°. 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 4.69:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #A553CA |
| RGB | rgb(165, 83, 202) |
| HSL | hsl(281, 53%, 56%) |
| OKLCH | oklch(59.2% 0.188 314) |
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 #A553CA | 4.47:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #A553CA | 4.69:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #A553CA text on white | 4.47:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #A553CA text on black | 4.69:1 | AA | Lc -31.1 | 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
#F0E5F6
oklch(93.6% 0.025 314)
-
Step 200
200
#E5D1EF
oklch(88.6% 0.046 314.6)
-
Step 300
300
#D5B1E7
oklch(81% 0.084 314.3)
-
Step 400
400
#BF86DB
oklch(70.8% 0.134 314)
-
Step 500
500
#AE64D1
oklch(63% 0.172 313.8)
-
Step 600
600 (this color)
#A553CA
oklch(59.2% 0.188 314)
-
Step 700
700
#8338A4
oklch(49.1% 0.174 313.8)
-
Step 800
800
#6B2F85
oklch(42.7% 0.145 314.2)
-
Step 900
900
#572B6A
oklch(37.7% 0.113 314.6)
-
Step 950
950
#331A3E
oklch(27% 0.071 314.6)
#A553CA 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) | #2E72CE | 0.170 |
| Deuteranopia (no green cones) | #4F79C7 | 0.149 |
| Tritanopia (no blue cones) | #A26887 | 0.125 |
| Achromatopsia (no color) | #777777 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A553CA
#A553CA
oklch(59.2% 0.188 314)
- #509200
#509200
oklch(59.2% 0.17 133.9)
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 #A553CA, closest first.
No curated palette has a color within ΔE 0.04 of #A553CA.
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 0.041
- Deep Lavender #8D5EB7 ΔE 0.056
- Purply #983FB2 ΔE 0.058
- Lighter Purple #A55AF4 ΔE 0.064
- Dark Orchid #9932CC ΔE 0.065
- Purpley #8756E4 ΔE 0.068
- Medium Purple #9370DB ΔE 0.069
Use #A553CA 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.