#A511E3
Closest named color: Vibrant Purple (#AD03DE). oklch(55.6% 0.272 311.3), rgb(165, 17, 227).
Aa
White text reads best on this color (5.54:1).
About this color
#A511E3 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.272 and its hue 311°. 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 5.54:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.272) |
| Temperature | in between |
| Nearest name | Vibrant Purple (#AD03DE) |
| Black text | 3.78:1 |
| White text | 5.54:1 |
Values
| HEX | #A511E3 |
| RGB | rgb(165, 17, 227) |
| HSL | hsl(282, 86%, 48%) |
| OKLCH | oklch(55.6% 0.272 311.3) |
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 #A511E3 | 5.54:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #A511E3 | 3.78:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #A511E3 text on white | 5.54:1 | AA | Lc 75.6 | Fine for body text |
| #A511E3 text on black | 3.78:1 | 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
#F9F3FE
oklch(97.2% 0.016 310.1)
-
Step 100
100
#F2E4FC
oklch(93.7% 0.035 311.4)
-
Step 200
200
#E8CDFB
oklch(88.5% 0.068 311.3)
-
Step 300
300
#DAAAFB
oklch(81% 0.122 310.9)
-
Step 400
400
#C876F8
oklch(70.7% 0.196 311.5)
-
Step 500
500
#B948F5
oklch(63.1% 0.25 311.1)
-
Step 600
600 (this color)
#A511E3
oklch(55.6% 0.272 311.3)
-
Step 700
700
#8C00C3
oklch(49% 0.247 311.1)
-
Step 800
800
#7308A0
oklch(42.8% 0.21 311.2)
-
Step 900
900
#5D187F
oklch(37.7% 0.164 311.3)
-
Step 950
950
#36114A
oklch(26.9% 0.103 311.1)
#A511E3 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) | #0063E8 | 0.219 |
| Deuteranopia (no green cones) | #006BDF | 0.223 |
| Tritanopia (no blue cones) | #9C5486 | 0.180 |
| Achromatopsia (no color) | #686868 | 0.275 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A511E3
#A511E3
oklch(55.6% 0.272 311.3)
- #518400
#518400
oklch(55.5% 0.153 131.4)
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 #A511E3, closest first.
No curated palette has a color within ΔE 0.04 of #A511E3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vibrant Purple #AD03DE ΔE 0.019
- Bright Violet #AD0AFD ΔE 0.041
- Dark Violet #9400D3 ΔE 0.043
- Vivid Purple #9900FA ΔE 0.046
- Electric Purple #AA23FF ΔE 0.046
- Dark Orchid #9932CC ΔE 0.047
- Blue Violet #8A2BE2 ΔE 0.054
- Neon Purple #BC13FE ΔE 0.059
Use #A511E3 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.