#A64FB9
Closest named color: Amethyst (#9B5FC0). oklch(57.8% 0.177 320.1), rgb(166, 79, 185).
Aa
White text reads best on this color (4.72:1).
About this color
#A64FB9 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.177 and its hue 320°. 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 4.72:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #A64FB9 |
| RGB | rgb(166, 79, 185) |
| HSL | hsl(289, 43%, 52%) |
| OKLCH | oklch(57.8% 0.177 320.1) |
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 #A64FB9 | 4.72:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #A64FB9 | 4.44:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #A64FB9 text on white | 4.72:1 | AA | Lc 72.3 | Content text, not long reading |
| #A64FB9 text on black | 4.44:1 | AA large text | Lc -29.4 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F4
oklch(93.6% 0.024 319.5)
-
Step 200
200
#E7D0EC
oklch(88.5% 0.045 320.2)
-
Step 300
300
#D8B0E1
oklch(80.8% 0.08 320.1)
-
Step 400
400
#C485D2
oklch(70.7% 0.128 320.2)
-
Step 500
500
#B464C5
oklch(63.1% 0.162 320.4)
-
Step 600
600 (this color)
#A64FB9
oklch(57.8% 0.177 320.1)
-
Step 700
700
#883999
oklch(49.2% 0.164 320.2)
-
Step 800
800
#6E307C
oklch(42.7% 0.136 319.9)
-
Step 900
900
#5A2B64
oklch(37.7% 0.107 320.4)
-
Step 950
950
#351A3A
oklch(27% 0.067 321.2)
#A64FB9 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) | #396DBC | 0.168 |
| Deuteranopia (no green cones) | #5876B6 | 0.147 |
| Tritanopia (no blue cones) | #A75F7C | 0.111 |
| Achromatopsia (no color) | #737373 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A64FB9
#A64FB9
oklch(57.8% 0.177 320.1)
- #319115
#319115
oklch(57.8% 0.177 140.1)
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 #A64FB9, closest first.
No curated palette has a color within ΔE 0.04 of #A64FB9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.037
- Purply #983FB2 ΔE 0.044
- Deep Lavender #8D5EB7 ΔE 0.052
- Medium Orchid #BA55D3 ΔE 0.054
- Pinky Purple #C94CBE ΔE 0.065
- Purpley Pink #C83CB9 ΔE 0.067
- Dark Orchid #9932CC ΔE 0.069
- Deep Lilac #966EBD ΔE 0.072
Use #A64FB9 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.