#A151AF
Closest named color: Amethyst (#9B5FC0). oklch(56.9% 0.161 321.5), rgb(161, 81, 175).
Aa
White text reads best on this color (4.87:1).
About this color
#A151AF is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.161 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.037 away. White text reads best on it, at 4.87:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.31:1 |
| White text | 4.87:1 |
Values
| HEX | #A151AF |
| RGB | rgb(161, 81, 175) |
| HSL | hsl(291, 37%, 50%) |
| OKLCH | oklch(56.9% 0.161 321.5) |
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 #A151AF | 4.87:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #A151AF | 4.31:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #A151AF text on white | 4.87:1 | AA | Lc 73.3 | Content text, not long reading |
| #A151AF text on black | 4.31:1 | AA large text | Lc -28.4 | 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
#E6D1E9
oklch(88.5% 0.04 322)
-
Step 300
300
#D7B2DD
oklch(81% 0.072 321.6)
-
Step 400
400
#C288CC
oklch(70.7% 0.116 321.5)
-
Step 500
500
#B268BF
oklch(63.2% 0.149 321.5)
-
Step 600
600 (this color)
#A151AF
oklch(56.9% 0.161 321.5)
-
Step 700
700
#863D93
oklch(49.1% 0.151 321.4)
-
Step 800
800
#6D3377
oklch(42.7% 0.125 321.6)
-
Step 900
900
#582E60
oklch(37.7% 0.096 321)
-
Step 950
950
#341B38
oklch(26.9% 0.062 321.9)
#A151AF 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) | #416BB2 | 0.152 |
| Deuteranopia (no green cones) | #5B74AC | 0.134 |
| Tritanopia (no blue cones) | #A35E78 | 0.100 |
| Achromatopsia (no color) | #717171 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A151AF
#A151AF
oklch(56.9% 0.161 321.5)
- #338D28
#338D28
oklch(56.9% 0.161 141.5)
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 #A151AF, closest first.
No curated palette has a color within ΔE 0.04 of #A151AF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.037
- Purply #983FB2 ΔE 0.043
- Deep Lavender #8D5EB7 ΔE 0.044
- Deep Lilac #966EBD ΔE 0.067
- Soft Purple #A66FB5 ΔE 0.070
- Medium Orchid #BA55D3 ΔE 0.070
- Dark Lilac #9C6DA5 ΔE 0.071
- Light Plum #9D5783 ΔE 0.074
Use #A151AF 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.