#A644D3
Closest named color: Dark Orchid (#9932CC). oklch(58.1% 0.217 313.1), rgb(166, 68, 211).
Aa
White text reads best on this color (4.78:1).
About this color
#A644D3 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.217 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.041 away. White text reads best on it, at 4.78:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.217) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 4.38:1 |
| White text | 4.78:1 |
Values
| HEX | #A644D3 |
| RGB | rgb(166, 68, 211) |
| HSL | hsl(281, 62%, 55%) |
| OKLCH | oklch(58.1% 0.217 313.1) |
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 #A644D3 | 4.78:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #A644D3 | 4.38:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #A644D3 text on white | 4.78:1 | AA | Lc 72.4 | Content text, not long reading |
| #A644D3 text on black | 4.38:1 | AA large text | Lc -29.3 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E5F8
oklch(93.7% 0.028 313.4)
-
Step 200
200
#E6CFF3
oklch(88.5% 0.055 313.4)
-
Step 300
300
#D7AEEE
oklch(80.9% 0.098 313.2)
-
Step 400
400
#C281E5
oklch(70.7% 0.156 312.9)
-
Step 500
500
#B35CDD
oklch(63.2% 0.199 313.3)
-
Step 600
600 (this color)
#A644D3
oklch(58.1% 0.217 313.1)
-
Step 700
700
#872CAF
oklch(49.1% 0.201 313.1)
-
Step 800
800
#6E278E
oklch(42.8% 0.167 313.1)
-
Step 900
900
#592671
oklch(37.7% 0.13 313.2)
-
Step 950
950
#341742
oklch(26.9% 0.083 313.3)
#A644D3 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) | #006DD7 | 0.198 |
| Deuteranopia (no green cones) | #3975D0 | 0.179 |
| Tritanopia (no blue cones) | #A16186 | 0.145 |
| Achromatopsia (no color) | #727272 | 0.219 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A644D3
#A644D3
oklch(58.1% 0.217 313.1)
- #508E00
#508E00
oklch(58.2% 0.165 133.3)
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 #A644D3, closest first.
No curated palette has a color within ΔE 0.04 of #A644D3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.041
- Medium Orchid #BA55D3 ΔE 0.052
- Purply #983FB2 ΔE 0.057
- Vibrant Purple #AD03DE ΔE 0.061
- Lighter Purple #A55AF4 ΔE 0.062
- Amethyst #9B5FC0 ΔE 0.065
- Purpley #8756E4 ΔE 0.067
- Blue Violet #8A2BE2 ΔE 0.075
Use #A644D3 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.