#A151AA
Closest named color: Amethyst (#9B5FC0). oklch(56.6% 0.156 323.5), rgb(161, 81, 170).
Aa
White text reads best on this color (4.91:1).
About this color
#A151AA is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.156 and its hue 323°. 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 4.91:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #A151AA |
| RGB | rgb(161, 81, 170) |
| HSL | hsl(294, 35%, 49%) |
| OKLCH | oklch(56.6% 0.156 323.5) |
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 #A151AA | 4.91:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #A151AA | 4.27:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #A151AA text on white | 4.91:1 | AA | Lc 73.6 | Content text, not long reading |
| #A151AA text on black | 4.27:1 | AA large text | Lc -28.1 | 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
#F1E6F2
oklch(93.7% 0.02 323.2)
-
Step 200
200
#E6D1E8
oklch(88.5% 0.038 323.2)
-
Step 300
300
#D7B2DB
oklch(80.9% 0.07 323)
-
Step 400
400
#C388C9
oklch(70.7% 0.113 323.5)
-
Step 500
500
#B368BB
oklch(63.1% 0.145 323.5)
-
Step 600
600 (this color)
#A151AA
oklch(56.6% 0.156 323.5)
-
Step 700
700
#873E8F
oklch(49.1% 0.146 323.6)
-
Step 800
800
#6E3474
oklch(42.8% 0.121 323.8)
-
Step 900
900
#592E5E
oklch(37.7% 0.094 323.3)
-
Step 950
950
#341B37
oklch(26.9% 0.06 323.1)
#A151AA 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) | #446AAD | 0.150 |
| Deuteranopia (no green cones) | #5D74A7 | 0.133 |
| Tritanopia (no blue cones) | #A45C76 | 0.093 |
| Achromatopsia (no color) | #717171 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A151AA
#A151AA
oklch(56.6% 0.156 323.5)
- #2E8C30
#2E8C30
oklch(56.5% 0.156 143.5)
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 #A151AA, closest first.
No curated palette has a color within ΔE 0.04 of #A151AA.
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 0.046
- Purply #983FB2 ΔE 0.046
- Light Plum #9D5783 ΔE 0.067
- Deep Lilac #966EBD ΔE 0.068
- Dark Lilac #9C6DA5 ΔE 0.069
- Soft Purple #A66FB5 ΔE 0.070
- Light Eggplant #894585 ΔE 0.076
Use #A151AA 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.