#A643C2
Closest named color: Purply (#983FB2). oklch(56.9% 0.203 318), rgb(166, 67, 194).
Aa
White text reads best on this color (4.99:1).
About this color
#A643C2 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.203 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.036 away. White text reads best on it, at 4.99:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.203) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #A643C2 |
| RGB | rgb(166, 67, 194) |
| HSL | hsl(287, 51%, 51%) |
| OKLCH | oklch(56.9% 0.203 318) |
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 #A643C2 | 4.99:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #A643C2 | 4.20:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #A643C2 text on white | 4.99:1 | AA | Lc 73.8 | Content text, not long reading |
| #A643C2 text on black | 4.20:1 | AA large text | Lc -27.9 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E5F6
oklch(93.7% 0.027 318.2)
-
Step 200
200
#E8CFEF
oklch(88.5% 0.051 318.8)
-
Step 300
300
#DAAEE7
oklch(80.9% 0.092 318.4)
-
Step 400
400
#C681DB
oklch(70.7% 0.146 318)
-
Step 500
500
#B75DD1
oklch(63.1% 0.187 318.2)
-
Step 600
600 (this color)
#A643C2
oklch(56.9% 0.203 318)
-
Step 700
700
#8B2FA4
oklch(49.2% 0.189 318.1)
-
Step 800
800
#712985
oklch(42.8% 0.157 318.1)
-
Step 900
900
#5B276A
oklch(37.6% 0.121 318.1)
-
Step 950
950
#36183E
oklch(27.1% 0.077 318.8)
#A643C2 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) | #1369C6 | 0.199 |
| Deuteranopia (no green cones) | #4873BF | 0.171 |
| Tritanopia (no blue cones) | #A55A7D | 0.128 |
| Achromatopsia (no color) | #6F6F6F | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A643C2
#A643C2
oklch(56.9% 0.203 318)
- #388D00
#388D00
oklch(56.8% 0.176 138)
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 #A643C2, closest first.
No curated palette has a color within ΔE 0.04 of #A643C2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.036
- Dark Orchid #9932CC ΔE 0.044
- Medium Orchid #BA55D3 ΔE 0.057
- Amethyst #9B5FC0 ΔE 0.058
- Purpley Pink #C83CB9 ΔE 0.067
- Deep Lavender #8D5EB7 ΔE 0.071
- Pinky Purple #C94CBE ΔE 0.073
- Vibrant Purple #AD03DE ΔE 0.073
Use #A643C2 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.