#AA51C6
Closest named color: Medium Orchid (#BA55D3). oklch(59.3% 0.189 317.4), rgb(170, 81, 198).
Aa
Black text reads best on this color (4.70:1).
About this color
#AA51C6 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.189 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.036 away. Black text reads best on it, at 4.70:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #AA51C6 |
| RGB | rgb(170, 81, 198) |
| HSL | hsl(286, 51%, 55%) |
| OKLCH | oklch(59.3% 0.189 317.4) |
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 #AA51C6 | 4.46:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #AA51C6 | 4.70:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #AA51C6 text on white | 4.46:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #AA51C6 text on black | 4.70:1 | AA | Lc -31.2 | Non-text elements, placeholder text |
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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F5
oklch(93.6% 0.025 317.7)
-
Step 200
200
#E6D0EE
oklch(88.5% 0.047 317.1)
-
Step 300
300
#D7B0E5
oklch(80.9% 0.084 317)
-
Step 400
400
#C384D8
oklch(70.7% 0.136 317.4)
-
Step 500
500
#B362CD
oklch(63.1% 0.173 317.4)
-
Step 600
600 (this color)
#AA51C6
oklch(59.3% 0.189 317.4)
-
Step 700
700
#8736A0
oklch(49.1% 0.175 317.3)
-
Step 800
800
#6E2E82
oklch(42.8% 0.145 317.3)
-
Step 900
900
#592A68
oklch(37.7% 0.113 317.3)
-
Step 950
950
#34193D
oklch(26.9% 0.072 317.1)
#AA51C6 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) | #3272CA | 0.177 |
| Deuteranopia (no green cones) | #547AC3 | 0.155 |
| Tritanopia (no blue cones) | #A96484 | 0.121 |
| Achromatopsia (no color) | #777777 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA51C6
#AA51C6
oklch(59.3% 0.189 317.4)
- #409500
#409500
oklch(59.3% 0.181 137.3)
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 #AA51C6, closest first.
No curated palette has a color within ΔE 0.04 of #AA51C6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.036
- Amethyst #9B5FC0 ΔE 0.039
- Purply #983FB2 ΔE 0.057
- Pinky Purple #C94CBE ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.061
- Purpley Pink #C83CB9 ΔE 0.064
- Dark Orchid #9932CC ΔE 0.068
- Lighter Purple #A55AF4 ΔE 0.071
Use #AA51C6 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.