#A643BB
Closest named color: Purply (#983FB2). oklch(56.4% 0.196 320.2), rgb(166, 67, 187).
Aa
White text reads best on this color (5.07:1).
About this color
#A643BB is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.196 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.031 away. White text reads best on it, at 5.07:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.196) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 4.14:1 |
| White text | 5.07:1 |
Values
| HEX | #A643BB |
| RGB | rgb(166, 67, 187) |
| HSL | hsl(290, 47%, 50%) |
| OKLCH | oklch(56.4% 0.196 320.2) |
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 #A643BB | 5.07:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #A643BB | 4.14:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #A643BB text on white | 5.07:1 | AA | Lc 74.3 | Content text, not long reading |
| #A643BB text on black | 4.14:1 | AA large text | Lc -27.4 | 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
#F2E5F5
oklch(93.7% 0.025 319.9)
-
Step 200
200
#E8CFEE
oklch(88.5% 0.05 319.7)
-
Step 300
300
#DBAEE4
oklch(80.9% 0.089 320.7)
-
Step 400
400
#C782D7
oklch(70.8% 0.141 319.9)
-
Step 500
500
#B85ECC
oklch(63.1% 0.181 320.1)
-
Step 600
600 (this color)
#A643BB
oklch(56.4% 0.196 320.2)
-
Step 700
700
#8C319F
oklch(49.2% 0.183 320.2)
-
Step 800
800
#722A81
oklch(42.8% 0.152 320.3)
-
Step 900
900
#5C2867
oklch(37.7% 0.117 320.3)
-
Step 950
950
#36183D
oklch(27% 0.075 319.8)
#A643BB 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) | #2168BF | 0.194 |
| Deuteranopia (no green cones) | #4D72B8 | 0.167 |
| Tritanopia (no blue cones) | #A75779 | 0.121 |
| Achromatopsia (no color) | #6E6E6E | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A643BB
#A643BB
oklch(56.4% 0.196 320.2)
- #278D00
#278D00
oklch(56.3% 0.182 140.2)
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 #A643BB, closest first.
No curated palette has a color within ΔE 0.04 of #A643BB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.031
- Dark Orchid #9932CC ΔE 0.050
- Amethyst #9B5FC0 ΔE 0.057
- Medium Orchid #BA55D3 ΔE 0.062
- Purpley Pink #C83CB9 ΔE 0.065
- Deep Lavender #8D5EB7 ΔE 0.068
- Pinky Purple #C94CBE ΔE 0.072
- Vibrant Purple #AD03DE ΔE 0.081
Use #A643BB 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.