#A304EB
Closest named color: Vibrant Purple (#AD03DE). oklch(55.6% 0.281 309.1), rgb(163, 4, 235).
Aa
White text reads best on this color (5.56:1).
About this color
#A304EB is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.281 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Vibrant Purple (#AD03DE), ΔE 0.030 away. White text reads best on it, at 5.56:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.281) |
| Temperature | in between |
| Nearest name | Vibrant Purple (#AD03DE) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #A304EB |
| RGB | rgb(163, 4, 235) |
| HSL | hsl(281, 97%, 47%) |
| OKLCH | oklch(55.6% 0.281 309.1) |
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 #A304EB | 5.56:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #A304EB | 3.77:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #A304EB text on white | 5.56:1 | AA | Lc 75.4 | Fine for body text |
| #A304EB text on black | 3.77:1 | AA large text | Lc -26.4 | 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
#F9F3FE
oklch(97.2% 0.016 310.1)
-
Step 100
100
#F1E4FD
oklch(93.7% 0.036 308.9)
-
Step 200
200
#E7CDFD
oklch(88.5% 0.07 309.3)
-
Step 300
300
#D9AAFF
oklch(81% 0.126 309.1)
-
Step 400
400
#C576FE
oklch(70.7% 0.202 309)
-
Step 500
500
#B746FC
oklch(63.1% 0.259 309.1)
-
Step 600
600 (this color)
#A304EB
oklch(55.6% 0.281 309.1)
-
Step 700
700
#8A00C8
oklch(49.2% 0.25 309.1)
-
Step 800
800
#7101A5
oklch(42.6% 0.216 309)
-
Step 900
900
#5C1683
oklch(37.7% 0.169 309.3)
-
Step 950
950
#36114D
oklch(27.1% 0.107 309.2)
#A304EB 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) | #0063F0 | 0.216 |
| Deuteranopia (no green cones) | #006AE7 | 0.220 |
| Tritanopia (no blue cones) | #97578A | 0.190 |
| Achromatopsia (no color) | #686868 | 0.284 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A304EB
#A304EB
oklch(55.6% 0.281 309.1)
- #578300
#578300
oklch(55.6% 0.148 129.3)
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 #A304EB, closest first.
No curated palette has a color within ΔE 0.04 of #A304EB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vibrant Purple #AD03DE ΔE 0.030
- Vivid Purple #9900FA ΔE 0.033
- Bright Violet #AD0AFD ΔE 0.033
- Electric Purple #AA23FF ΔE 0.039
- Dark Violet #9400D3 ΔE 0.046
- Blue Violet #8A2BE2 ΔE 0.052
- Neon Purple #BC13FE ΔE 0.057
- Dark Orchid #9932CC ΔE 0.057
Use #A304EB 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.