#A15BC9
Closest named color: Amethyst (#9B5FC0). oklch(59.8% 0.173 311.7), rgb(161, 91, 201).
Aa
Black text reads best on this color (4.85:1).
About this color
#A15BC9 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.173 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.020 away. Black text reads best on it, at 4.85:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #A15BC9 |
| RGB | rgb(161, 91, 201) |
| HSL | hsl(278, 50%, 57%) |
| OKLCH | oklch(59.8% 0.173 311.7) |
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 #A15BC9 | 4.32:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #A15BC9 | 4.85:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #A15BC9 text on white | 4.32:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #A15BC9 text on black | 4.85:1 | AA | Lc -32.1 | 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 500.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E3D1F0
oklch(88.5% 0.046 311.2)
-
Step 300
300
#D3B1E9
oklch(80.9% 0.085 311.9)
-
Step 400
400
#BC87DE
oklch(70.8% 0.135 311.3)
-
Step 500
500 (this color)
#A15BC9
oklch(59.8% 0.173 311.7)
-
Step 600
600
#9749C1
oklch(55.6% 0.187 311.8)
-
Step 700
700
#8139A7
oklch(49.1% 0.175 311.8)
-
Step 800
800
#693087
oklch(42.7% 0.145 312)
-
Step 900
900
#552C6C
oklch(37.7% 0.112 311.8)
-
Step 950
950
#321A3F
oklch(26.9% 0.072 312.5)
#A15BC9 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) | #3C76CD | 0.148 |
| Deuteranopia (no green cones) | #547BC6 | 0.132 |
| Tritanopia (no blue cones) | #9D6E89 | 0.120 |
| Achromatopsia (no color) | #797979 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A15BC9
#A15BC9
oklch(59.8% 0.173 311.7)
- #599200
#599200
oklch(59.7% 0.165 131.7)
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 #A15BC9, closest first.
No curated palette has a color within ΔE 0.04 of #A15BC9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.020
- Deep Lavender #8D5EB7 ΔE 0.045
- Medium Orchid #BA55D3 ΔE 0.048
- Deep Lilac #966EBD ΔE 0.053
- Medium Purple #9370DB ΔE 0.054
- Soft Purple #A66FB5 ΔE 0.063
- Lighter Purple #A55AF4 ΔE 0.065
- Purpley #8756E4 ΔE 0.066
Use #A15BC9 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.