#A156B1
Closest named color: Amethyst (#9B5FC0). oklch(57.7% 0.155 320.4), rgb(161, 86, 177).
Aa
White text reads best on this color (4.68:1).
About this color
#A156B1 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.155 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.029 away. White text reads best on it, at 4.68:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.48:1 |
| White text | 4.68:1 |
Values
| HEX | #A156B1 |
| RGB | rgb(161, 86, 177) |
| HSL | hsl(289, 37%, 52%) |
| OKLCH | oklch(57.7% 0.155 320.4) |
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 #A156B1 | 4.68:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #A156B1 | 4.48:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #A156B1 text on white | 4.68:1 | AA | Lc 72.2 | Content text, not long reading |
| #A156B1 text on black | 4.48:1 | AA large text | Lc -29.5 | 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
#F8F3F9
oklch(97% 0.01 320.5)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E5D1E9
oklch(88.4% 0.039 320.6)
-
Step 300
300
#D5B2DD
oklch(80.8% 0.071 320)
-
Step 400
400
#C089CC
oklch(70.7% 0.113 320.3)
-
Step 500
500
#AF6ABE
oklch(63.1% 0.142 320.3)
-
Step 600
600 (this color)
#A156B1
oklch(57.7% 0.155 320.4)
-
Step 700
700
#844092
oklch(49.2% 0.144 320.5)
-
Step 800
800
#6B3577
oklch(42.7% 0.12 320.1)
-
Step 900
900
#572F60
oklch(37.7% 0.093 320)
-
Step 950
950
#331C38
oklch(27% 0.059 320.3)
#A156B1 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) | #476FB4 | 0.143 |
| Deuteranopia (no green cones) | #5E77AE | 0.128 |
| Tritanopia (no blue cones) | #A2637B | 0.098 |
| Achromatopsia (no color) | #747474 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A156B1
#A156B1
oklch(57.7% 0.155 320.4)
- #3E8F2D
#3E8F2D
oklch(57.8% 0.155 140.4)
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 #A156B1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.029
- Deep Lavender #8D5EB7 ΔE 0.038
- Purply #983FB2 ΔE 0.053
- Deep Lilac #966EBD ΔE 0.057
- Soft Purple #A66FB5 ΔE 0.060
- Dark Lilac #9C6DA5 ΔE 0.062
- Medium Orchid #BA55D3 ΔE 0.068
- Light Plum #9D5783 ΔE 0.073
Use #A156B1 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.