#A157C3
Closest named color: Amethyst (#9B5FC0). oklch(58.9% 0.172 314), rgb(161, 87, 195).
Aa
Black text reads best on this color (4.66:1).
About this color
#A157C3 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.172 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.021 away. Black text reads best on it, at 4.66:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.66:1 |
| White text | 4.49:1 |
Values
| HEX | #A157C3 |
| RGB | rgb(161, 87, 195) |
| HSL | hsl(281, 47%, 55%) |
| OKLCH | oklch(58.9% 0.172 314) |
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 #A157C3 | 4.49:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #A157C3 | 4.66:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #A157C3 text on white | 4.49:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #A157C3 text on black | 4.66:1 | AA | Lc -30.8 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E4D1EE
oklch(88.5% 0.044 314.1)
-
Step 300
300
#D3B2E4
oklch(80.9% 0.078 314.1)
-
Step 400
400
#BD88D7
oklch(70.7% 0.125 314.1)
-
Step 500
500
#AC68CC
oklch(63.1% 0.16 314)
-
Step 600
600 (this color)
#A157C3
oklch(58.9% 0.172 314)
-
Step 700
700
#813D9F
oklch(49.1% 0.161 314.1)
-
Step 800
800
#693381
oklch(42.7% 0.134 314.1)
-
Step 900
900
#552E67
oklch(37.7% 0.103 314.1)
-
Step 950
950
#321B3D
oklch(27% 0.067 313.9)
#A157C3 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) | #3A73C7 | 0.153 |
| Deuteranopia (no green cones) | #5479C0 | 0.136 |
| Tritanopia (no blue cones) | #9E6985 | 0.115 |
| Achromatopsia (no color) | #777777 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A157C3
#A157C3
oklch(58.9% 0.172 314)
- #4F9100
#4F9100
oklch(58.9% 0.169 134)
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 #A157C3, closest first.
No curated palette has a color within ΔE 0.04 of #A157C3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.021
- Deep Lavender #8D5EB7 ΔE 0.042
- Medium Orchid #BA55D3 ΔE 0.051
- Purply #983FB2 ΔE 0.056
- Deep Lilac #966EBD ΔE 0.057
- Medium Purple #9370DB ΔE 0.064
- Soft Purple #A66FB5 ΔE 0.066
- Purpley #8756E4 ΔE 0.070
Use #A157C3 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.