#AC55C1
Closest named color: Amethyst (#9B5FC0). oklch(59.8% 0.178 319.5), rgb(172, 85, 193).
Aa
Black text reads best on this color (4.82:1).
About this color
#AC55C1 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.178 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.035 away. Black text reads best on it, at 4.82:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #AC55C1 |
| RGB | rgb(172, 85, 193) |
| HSL | hsl(288, 47%, 55%) |
| OKLCH | oklch(59.8% 0.178 319.5) |
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 #AC55C1 | 4.35:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #AC55C1 | 4.82:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #AC55C1 text on white | 4.35:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #AC55C1 text on black | 4.82:1 | AA | Lc -32.0 | 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 500.
-
Step 50
50
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F5
oklch(93.7% 0.025 319.9)
-
Step 200
200
#E8CFEE
oklch(88.5% 0.05 319.7)
-
Step 300
300
#DAAFE4
oklch(80.9% 0.087 319.9)
-
Step 400
400
#C682D7
oklch(70.7% 0.14 319.4)
-
Step 500
500 (this color)
#AC55C1
oklch(59.8% 0.178 319.5)
-
Step 600
600
#A242B9
oklch(55.7% 0.194 319.4)
-
Step 700
700
#8A329F
oklch(49% 0.18 319.3)
-
Step 800
800
#712B81
oklch(42.8% 0.15 319.7)
-
Step 900
900
#5B2867
oklch(37.6% 0.116 319.6)
-
Step 950
950
#36193D
oklch(27.2% 0.073 319.6)
#AC55C1 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) | #3F73C4 | 0.168 |
| Deuteranopia (no green cones) | #5C7CBE | 0.148 |
| Tritanopia (no blue cones) | #AD6583 | 0.112 |
| Achromatopsia (no color) | #797979 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC55C1
#AC55C1
oklch(59.8% 0.178 319.5)
- #3A971A
#3A971A
oklch(59.7% 0.178 139.5)
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 #AC55C1, closest first.
No curated palette has a color within ΔE 0.04 of #AC55C1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.035
- Medium Orchid #BA55D3 ΔE 0.037
- Pinky Purple #C94CBE ΔE 0.054
- Deep Lavender #8D5EB7 ΔE 0.059
- Purpley Pink #C83CB9 ΔE 0.062
- Purply #983FB2 ΔE 0.063
- Soft Purple #A66FB5 ΔE 0.065
- Deep Lilac #966EBD ΔE 0.066
Use #AC55C1 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.