#A657C3
Closest named color: Amethyst (#9B5FC0). oklch(59.5% 0.175 316.1), rgb(166, 87, 195).
Aa
Black text reads best on this color (4.77:1).
About this color
#A657C3 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.175 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.025 away. Black text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.77:1 |
| White text | 4.40:1 |
Values
| HEX | #A657C3 |
| RGB | rgb(166, 87, 195) |
| HSL | hsl(284, 47%, 55%) |
| OKLCH | oklch(59.5% 0.175 316.1) |
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 #A657C3 | 4.40:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #A657C3 | 4.77:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #A657C3 text on white | 4.40:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #A657C3 text on black | 4.77:1 | AA | Lc -31.6 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F5
oklch(93.6% 0.025 317.7)
-
Step 200
200
#E6D0EF
oklch(88.5% 0.048 316.2)
-
Step 300
300
#D7B0E6
oklch(80.9% 0.086 316.5)
-
Step 400
400
#C284D9
oklch(70.6% 0.137 316.5)
-
Step 500
500 (this color)
#A657C3
oklch(59.5% 0.175 316.1)
-
Step 600
600
#9D45BC
oklch(55.6% 0.19 316.2)
-
Step 700
700
#8636A2
oklch(49.1% 0.176 316.1)
-
Step 800
800
#6D2E83
oklch(42.7% 0.146 316.3)
-
Step 900
900
#582A69
oklch(37.6% 0.114 316)
-
Step 950
950
#341A3E
oklch(27.1% 0.072 315.9)
#A657C3 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) | #3D73C7 | 0.158 |
| Deuteranopia (no green cones) | #587BC0 | 0.140 |
| Tritanopia (no blue cones) | #A56885 | 0.114 |
| Achromatopsia (no color) | #787878 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A657C3
#A657C3
oklch(59.5% 0.175 316.1)
- #489408
#489408
oklch(59.4% 0.174 136.1)
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 #A657C3, closest first.
No curated palette has a color within ΔE 0.04 of #A657C3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.025
- Medium Orchid #BA55D3 ΔE 0.043
- Deep Lavender #8D5EB7 ΔE 0.049
- Deep Lilac #966EBD ΔE 0.059
- Purply #983FB2 ΔE 0.060
- Soft Purple #A66FB5 ΔE 0.064
- Pinky Purple #C94CBE ΔE 0.065
- Medium Purple #9370DB ΔE 0.067
Use #A657C3 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.