#A021E4
Closest named color: Vibrant Purple (#AD03DE). oklch(55.6% 0.264 309), rgb(160, 33, 228).
Aa
White text reads best on this color (5.47:1).
About this color
#A021E4 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.264 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 0.031 away. White text reads best on it, at 5.47:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.264) |
| Temperature | in between |
| Nearest name | Vibrant Purple (#AD03DE) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #A021E4 |
| RGB | rgb(160, 33, 228) |
| HSL | hsl(279, 78%, 51%) |
| OKLCH | oklch(55.6% 0.264 309) |
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 #A021E4 | 5.47:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #A021E4 | 3.83:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #A021E4 text on white | 5.47:1 | AA | Lc 75.7 | Fine for body text |
| #A021E4 text on black | 3.83:1 | AA large text | Lc -26.1 | 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
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#F0E4FC
oklch(93.5% 0.034 308.1)
-
Step 200
200
#E6CEFB
oklch(88.5% 0.066 309)
-
Step 300
300
#D7ABFB
oklch(80.9% 0.119 309)
-
Step 400
400
#C37AF9
oklch(70.8% 0.19 308.9)
-
Step 500
500
#B44EF5
oklch(63.1% 0.242 309)
-
Step 600
600 (this color)
#A021E4
oklch(55.6% 0.264 309)
-
Step 700
700
#8909C6
oklch(49.1% 0.245 309)
-
Step 800
800
#6F13A0
oklch(42.7% 0.203 309)
-
Step 900
900
#5A1C7F
oklch(37.7% 0.158 309.1)
-
Step 950
950
#35134A
oklch(27% 0.1 309.7)
#A021E4 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) | #0065E9 | 0.206 |
| Deuteranopia (no green cones) | #006AE0 | 0.209 |
| Tritanopia (no blue cones) | #955A88 | 0.180 |
| Achromatopsia (no color) | #696969 | 0.266 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A021E4
#A021E4
oklch(55.6% 0.264 309)
- #588300
#588300
oklch(55.7% 0.148 128.9)
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 #A021E4, closest first.
No curated palette has a color within ΔE 0.04 of #A021E4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vibrant Purple #AD03DE ΔE 0.031
- Vivid Purple #9900FA ΔE 0.041
- Dark Orchid #9932CC ΔE 0.041
- Dark Violet #9400D3 ΔE 0.042
- Blue Violet #8A2BE2 ΔE 0.043
- Bright Violet #AD0AFD ΔE 0.043
- Electric Purple #AA23FF ΔE 0.044
- Neon Purple #BC13FE ΔE 0.064
Use #A021E4 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.