#A151A9
Closest named color: Amethyst (#9B5FC0). oklch(56.6% 0.155 323.9), rgb(161, 81, 169).
Aa
White text reads best on this color (4.92:1).
About this color
#A151A9 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.155 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.043 away. White text reads best on it, at 4.92:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #A151A9 |
| RGB | rgb(161, 81, 169) |
| HSL | hsl(295, 35%, 49%) |
| OKLCH | oklch(56.6% 0.155 323.9) |
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 #A151A9 | 4.92:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #A151A9 | 4.26:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #A151A9 text on white | 4.92:1 | AA | Lc 73.7 | Content text, not long reading |
| #A151A9 text on black | 4.26:1 | AA large text | Lc -28.0 | 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
#D8B2DB
oklch(81% 0.07 323.9)
-
Step 400
400
#C388C8
oklch(70.7% 0.112 324)
-
Step 500
500
#B369BA
oklch(63.2% 0.142 323.9)
-
Step 600
600 (this color)
#A151A9
oklch(56.6% 0.155 323.9)
-
Step 700
700
#873E8E
oklch(49.1% 0.145 324)
-
Step 800
800
#6E3473
oklch(42.7% 0.119 324.3)
-
Step 900
900
#592E5D
oklch(37.7% 0.093 324)
-
Step 950
950
#341C37
oklch(27.1% 0.058 322.9)
#A151A9 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) | #456AAC | 0.149 |
| Deuteranopia (no green cones) | #5E74A6 | 0.132 |
| Tritanopia (no blue cones) | #A45C75 | 0.093 |
| Achromatopsia (no color) | #707070 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A151A9
#A151A9
oklch(56.6% 0.155 323.9)
- #2D8C32
#2D8C32
oklch(56.5% 0.155 143.9)
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 #A151A9, closest first.
No curated palette has a color within ΔE 0.04 of #A151A9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.043
- Deep Lavender #8D5EB7 ΔE 0.046
- Purply #983FB2 ΔE 0.047
- Light Plum #9D5783 ΔE 0.065
- Dark Lilac #9C6DA5 ΔE 0.068
- Deep Lilac #966EBD ΔE 0.069
- Soft Purple #A66FB5 ΔE 0.070
- Light Eggplant #894585 ΔE 0.075
Use #A151A9 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.