#A457A7
Closest named color: Amethyst (#9B5FC0). oklch(57.7% 0.145 325.9), rgb(164, 87, 167).
Aa
White text reads best on this color (4.66:1).
About this color
#A457A7 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.145 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.042 away. White text reads best on it, at 4.66:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.49:1 |
| White text | 4.66:1 |
Values
| HEX | #A457A7 |
| RGB | rgb(164, 87, 167) |
| HSL | hsl(298, 31%, 50%) |
| OKLCH | oklch(57.7% 0.145 325.9) |
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 #A457A7 | 4.66:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #A457A7 | 4.49:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #A457A7 text on white | 4.66:1 | AA | Lc 72.1 | Content text, not long reading |
| #A457A7 text on black | 4.49:1 | AA large text | Lc -29.6 | Dividers and decoration only |
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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E6F1
oklch(93.7% 0.019 325.7)
-
Step 200
200
#E6D1E6
oklch(88.4% 0.036 325.9)
-
Step 300
300
#D7B3D8
oklch(81% 0.065 325.3)
-
Step 400
400
#C289C4
oklch(70.6% 0.105 325.5)
-
Step 500
500
#B26BB5
oklch(63.2% 0.133 325.6)
-
Step 600
600 (this color)
#A457A7
oklch(57.7% 0.145 325.9)
-
Step 700
700
#864189
oklch(49.1% 0.134 325.8)
-
Step 800
800
#6D366F
oklch(42.7% 0.111 326)
-
Step 900
900
#592F5A
oklch(37.7% 0.088 326.3)
-
Step 950
950
#341C35
oklch(27% 0.056 325.6)
#A457A7 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) | #4F6EAA | 0.139 |
| Deuteranopia (no green cones) | #6578A5 | 0.125 |
| Tritanopia (no blue cones) | #A86077 | 0.085 |
| Achromatopsia (no color) | #747474 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A457A7
#A457A7
oklch(57.7% 0.145 325.9)
- #338F40
#338F40
oklch(57.7% 0.145 145.9)
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 #A457A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.042
- Deep Lavender #8D5EB7 ΔE 0.048
- Dark Lilac #9C6DA5 ΔE 0.054
- Soft Purple #A66FB5 ΔE 0.057
- Light Plum #9D5783 ΔE 0.058
- Deep Lilac #966EBD ΔE 0.060
- Purply #983FB2 ΔE 0.063
- Dark Lavender #856798 ΔE 0.071
Use #A457A7 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.