#A621DA
Closest named color: Vibrant Purple (#AD03DE). oklch(55.7% 0.257 313.3), rgb(166, 33, 218).
Aa
White text reads best on this color (5.45:1).
About this color
#A621DA is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.257 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Vibrant Purple (#AD03DE), ΔE 0.019 away. White text reads best on it, at 5.45:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.257) |
| Temperature | in between |
| Nearest name | Vibrant Purple (#AD03DE) |
| Black text | 3.85:1 |
| White text | 5.45:1 |
Values
| HEX | #A621DA |
| RGB | rgb(166, 33, 218) |
| HSL | hsl(283, 74%, 49%) |
| OKLCH | oklch(55.7% 0.257 313.3) |
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 #A621DA | 5.45:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #A621DA | 3.85:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #A621DA text on white | 5.45:1 | AA | Lc 75.6 | Fine for body text |
| #A621DA text on black | 3.85:1 | AA large text | Lc -26.2 | 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
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F2E4FA
oklch(93.6% 0.033 313.5)
-
Step 200
200
#E8CDF8
oklch(88.4% 0.065 312.9)
-
Step 300
300
#DBAAF6
oklch(80.9% 0.117 313.2)
-
Step 400
400
#C978F1
oklch(70.7% 0.186 313.5)
-
Step 500
500
#BA4DEC
oklch(63.1% 0.237 313.1)
-
Step 600
600 (this color)
#A621DA
oklch(55.7% 0.257 313.3)
-
Step 700
700
#8E0ABD
oklch(49.1% 0.239 313.2)
-
Step 800
800
#731399
oklch(42.7% 0.198 313.1)
-
Step 900
900
#5D1C7A
oklch(37.7% 0.154 312.9)
-
Step 950
950
#371347
oklch(27.1% 0.097 313.7)
#A621DA 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) | #0063DF | 0.218 |
| Deuteranopia (no green cones) | #006CD6 | 0.222 |
| Tritanopia (no blue cones) | #A05483 | 0.168 |
| Achromatopsia (no color) | #696969 | 0.260 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A621DA
#A621DA
oklch(55.7% 0.257 313.3)
- #4B8600
#4B8600
oklch(55.8% 0.158 133.4)
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 #A621DA, closest first.
No curated palette has a color within ΔE 0.04 of #A621DA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vibrant Purple #AD03DE ΔE 0.019
- Dark Orchid #9932CC ΔE 0.035
- Dark Violet #9400D3 ΔE 0.045
- Bright Violet #AD0AFD ΔE 0.054
- Electric Purple #AA23FF ΔE 0.057
- Blue Violet #8A2BE2 ΔE 0.058
- Vivid Purple #9900FA ΔE 0.060
- Neon Purple #BC13FE ΔE 0.066
Use #A621DA 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.