#AC91FF
Closest named color: Liliac (#C48EFD). oklch(72.6% 0.157 293.4), rgb(172, 145, 255).
Aa
Black text reads best on this color (8.24:1).
About this color
#AC91FF is a medium-light, vivid purple. In OKLCH its lightness is 73%, its chroma 0.157 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Liliac (#C48EFD), ΔE 0.037 away. Black text reads best on it, at 8.24:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Liliac (#C48EFD) |
| Black text | 8.24:1 |
| White text | 2.54:1 |
Values
| HEX | #AC91FF |
| RGB | rgb(172, 145, 255) |
| HSL | hsl(255, 100%, 78%) |
| OKLCH | oklch(72.6% 0.157 293.4) |
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 #AC91FF | 2.54:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #AC91FF | 8.24:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #AC91FF text on white | 2.54:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #AC91FF text on black | 8.24:1 | AAA | Lc -52.2 | Large or bold text, headings |
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 400.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#DAD3FB
oklch(88.5% 0.055 293.3)
-
Step 300
300
#C3B5FB
oklch(81% 0.098 293.2)
-
Step 400
400 (this color)
#AC91FF
oklch(72.6% 0.157 293.4)
-
Step 500
500
#9269F5
oklch(63.1% 0.201 293.3)
-
Step 600
600
#7E4BE4
oklch(55.6% 0.219 293.3)
-
Step 700
700
#6B3AC6
oklch(49.1% 0.204 293.5)
-
Step 800
800
#5732A0
oklch(42.7% 0.168 293.5)
-
Step 900
900
#472E7F
oklch(37.8% 0.131 293.4)
-
Step 950
950
#291C4A
oklch(27% 0.082 293.1)
#AC91FF 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) | #6EA4FF | 0.087 |
| Deuteranopia (no green cones) | #72A0FC | 0.081 |
| Tritanopia (no blue cones) | #99A6BC | 0.129 |
| Achromatopsia (no color) | #A2A2A2 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC91FF
#AC91FF
oklch(72.6% 0.157 293.4)
- #A7B018
#A7B018
oklch(72.6% 0.157 113.4)
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 #AC91FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Liliac #C48EFD ΔE 0.037
- Periwinkle Blue #8F99FB ΔE 0.044
- Lavender Blue #8B88F8 ΔE 0.056
- Baby Purple #CA9BF7 ΔE 0.057
- Perrywinkle #8F8CE7 ΔE 0.057
- Periwinkle #8E82FE ΔE 0.061
- Pastel Purple #CAA0FF ΔE 0.062
- Light Purple #BF77F6 ΔE 0.063
Use #AC91FF 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.