#A451AA
Closest named color: Amethyst (#9B5FC0). oklch(57% 0.158 324.8), rgb(164, 81, 170).
Aa
White text reads best on this color (4.84:1).
About this color
#A451AA is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.158 and its hue 325°. 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 4.84:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #A451AA |
| RGB | rgb(164, 81, 170) |
| HSL | hsl(296, 35%, 49%) |
| OKLCH | oklch(57% 0.158 324.8) |
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 #A451AA | 4.84:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #A451AA | 4.33:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #A451AA text on white | 4.84:1 | AA | Lc 73.1 | Content text, not long reading |
| #A451AA text on black | 4.33:1 | AA large text | Lc -28.6 | 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
#F1E5F2
oklch(93.5% 0.022 323.4)
-
Step 200
200
#E7D1E8
oklch(88.6% 0.039 324.6)
-
Step 300
300
#D9B1DA
oklch(80.9% 0.072 325.4)
-
Step 400
400
#C487C8
oklch(70.6% 0.114 324.6)
-
Step 500
500
#B467BA
oklch(63% 0.146 324.5)
-
Step 600
600 (this color)
#A451AA
oklch(57% 0.158 324.8)
-
Step 700
700
#883D8E
oklch(49.1% 0.147 324.6)
-
Step 800
800
#6F3373
oklch(42.7% 0.122 325)
-
Step 900
900
#5A2D5D
oklch(37.6% 0.096 324.9)
-
Step 950
950
#351B36
oklch(27% 0.06 325.7)
#A451AA 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) | #466BAD | 0.153 |
| Deuteranopia (no green cones) | #5F75A7 | 0.136 |
| Tritanopia (no blue cones) | #A75C76 | 0.093 |
| Achromatopsia (no color) | #727272 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A451AA
#A451AA
oklch(57% 0.158 324.8)
- #288E34
#288E34
oklch(56.9% 0.158 144.9)
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 #A451AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.043
- Purply #983FB2 ΔE 0.050
- Deep Lavender #8D5EB7 ΔE 0.050
- Light Plum #9D5783 ΔE 0.067
- Dark Lilac #9C6DA5 ΔE 0.069
- Soft Purple #A66FB5 ΔE 0.069
- Deep Lilac #966EBD ΔE 0.069
- Medium Orchid #BA55D3 ΔE 0.073
Use #A451AA 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.