#A646D4
Closest named color: Dark Orchid (#9932CC). oklch(58.3% 0.216 312.7), rgb(166, 70, 212).
Aa
White text reads best on this color (4.72:1).
About this color
#A646D4 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.216 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 0.044 away. White text reads best on it, at 4.72:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.216) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #A646D4 |
| RGB | rgb(166, 70, 212) |
| HSL | hsl(281, 62%, 55%) |
| OKLCH | oklch(58.3% 0.216 312.7) |
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 #A646D4 | 4.72:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #A646D4 | 4.44:1 | AA large text | Lc 32.1 | Non-text elements, placeholder text |
| #A646D4 text on white | 4.72:1 | AA | Lc 72.0 | Content text, not long reading |
| #A646D4 text on black | 4.44:1 | AA large text | Lc -29.7 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#F0E5F8
oklch(93.6% 0.028 311.3)
-
Step 200
200
#E6CFF3
oklch(88.5% 0.055 313.4)
-
Step 300
300
#D6AFEE
oklch(81% 0.096 312.3)
-
Step 400
400
#C281E5
oklch(70.7% 0.156 312.9)
-
Step 500
500
#B25CDD
oklch(63.1% 0.199 312.9)
-
Step 600
600 (this color)
#A646D4
oklch(58.3% 0.216 312.7)
-
Step 700
700
#862DAF
oklch(49% 0.2 312.6)
-
Step 800
800
#6D278E
oklch(42.6% 0.167 312.6)
-
Step 900
900
#592671
oklch(37.7% 0.13 313.2)
-
Step 950
950
#341842
oklch(27% 0.081 313)
#A646D4 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) | #006ED8 | 0.197 |
| Deuteranopia (no green cones) | #3A75D1 | 0.176 |
| Tritanopia (no blue cones) | #A16387 | 0.146 |
| Achromatopsia (no color) | #737373 | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A646D4
#A646D4
oklch(58.3% 0.216 312.7)
- #528E00
#528E00
oklch(58.3% 0.164 132.8)
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 #A646D4, closest first.
No curated palette has a color within ΔE 0.04 of #A646D4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.044
- Medium Orchid #BA55D3 ΔE 0.050
- Purply #983FB2 ΔE 0.058
- Lighter Purple #A55AF4 ΔE 0.059
- Amethyst #9B5FC0 ΔE 0.063
- Vibrant Purple #AD03DE ΔE 0.064
- Purpley #8756E4 ΔE 0.065
- Blue Violet #8A2BE2 ΔE 0.076
Use #A646D4 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.