#A100EE
Closest named color: Vivid Purple (#9900FA). oklch(55.5% 0.284 307.8), rgb(161, 0, 238).
Aa
White text reads best on this color (5.59:1).
About this color
#A100EE is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.284 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Vivid Purple (#9900FA), ΔE 0.026 away. White text reads best on it, at 5.59:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.284) |
| Temperature | in between |
| Nearest name | Vivid Purple (#9900FA) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #A100EE |
| RGB | rgb(161, 0, 238) |
| HSL | hsl(281, 100%, 47%) |
| OKLCH | oklch(55.5% 0.284 307.8) |
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 #A100EE | 5.59:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #A100EE | 3.75:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #A100EE text on white | 5.59:1 | AA | Lc 75.4 | Fine for body text |
| #A100EE text on black | 3.75:1 | AA large text | Lc -26.3 | 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
#F9F3FF
oklch(97.2% 0.017 308.3)
-
Step 100
100
#F1E4FE
oklch(93.7% 0.037 308)
-
Step 200
200
#E6CDFE
oklch(88.5% 0.071 308)
-
Step 300
300
#D7AAFF
oklch(80.9% 0.126 308)
-
Step 400
400
#C377FF
oklch(70.7% 0.201 307.9)
-
Step 500
500
#B546FF
oklch(63.1% 0.261 307.8)
-
Step 600
600 (this color)
#A100EE
oklch(55.5% 0.284 307.8)
-
Step 700
700
#8800CA
oklch(49.1% 0.251 307.8)
-
Step 800
800
#7000A8
oklch(42.7% 0.219 307.7)
-
Step 900
900
#5B1685
oklch(37.8% 0.171 308)
-
Step 950
950
#35114E
oklch(27.1% 0.108 307.6)
#A100EE 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) | #0063F3 | 0.212 |
| Deuteranopia (no green cones) | #0069EA | 0.216 |
| Tritanopia (no blue cones) | #94588C | 0.192 |
| Achromatopsia (no color) | #686868 | 0.287 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A100EE
#A100EE
oklch(55.5% 0.284 307.8)
- #5A8200
#5A8200
oklch(55.6% 0.145 128)
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 #A100EE, closest first.
No curated palette has a color within ΔE 0.04 of #A100EE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Purple #9900FA ΔE 0.026
- Bright Violet #AD0AFD ΔE 0.032
- Vibrant Purple #AD03DE ΔE 0.037
- Electric Purple #AA23FF ΔE 0.038
- Dark Violet #9400D3 ΔE 0.047
- Blue Violet #8A2BE2 ΔE 0.050
- Neon Purple #BC13FE ΔE 0.059
- Bright Purple #BE03FD ΔE 0.061
Use #A100EE 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.