#AC91DD
Closest named color: Pale Purple (#B790D4). oklch(71% 0.112 299.9), rgb(172, 145, 221).
Aa
Black text reads best on this color (7.84:1).
About this color
#AC91DD is a medium-light, moderately saturated purple. In OKLCH its lightness is 71%, its chroma 0.112 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Purple (#B790D4), ΔE 0.021 away. Black text reads best on it, at 7.84:1.
| Hue family | Purples |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 7.84:1 |
| White text | 2.67:1 |
Values
| HEX | #AC91DD |
| RGB | rgb(172, 145, 221) |
| HSL | hsl(261, 53%, 72%) |
| OKLCH | oklch(71% 0.112 299.9) |
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 #AC91DD | 2.67:1 | Fails | Lc -57.1 | Large or bold text, headings |
| Black text on #AC91DD | 7.84:1 | AAA | Lc 52.1 | Large or bold text, headings |
| #AC91DD text on white | 2.67:1 | Fails | Lc 51.9 | Large or bold text, headings |
| #AC91DD text on black | 7.84:1 | AAA | Lc -50.0 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DDD4F0
oklch(88.6% 0.039 300.2)
-
Step 300
300
#C7B7E8
oklch(80.9% 0.07 299.8)
-
Step 400
400 (this color)
#AC91DD
oklch(71% 0.112 299.9)
-
Step 500
500
#9773D2
oklch(63.1% 0.142 299.8)
-
Step 600
600
#8259BF
oklch(55.5% 0.155 299.9)
-
Step 700
700
#6E49A5
oklch(49.1% 0.144 299.7)
-
Step 800
800
#5A3C86
oklch(42.7% 0.12 300.1)
-
Step 900
900
#4A346B
oklch(37.7% 0.093 300.5)
-
Step 950
950
#2B1F3F
oklch(27% 0.059 299.7)
#AC91DD 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) | #7F9EE0 | 0.066 |
| Deuteranopia (no green cones) | #849EDB | 0.062 |
| Tritanopia (no blue cones) | #A39DAD | 0.088 |
| Achromatopsia (no color) | #9E9E9E | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC91DD
#AC91DD
oklch(71% 0.112 299.9)
- #99AC58
#99AC58
oklch(71.1% 0.112 119.8)
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 #AC91DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Purple #B790D4 ΔE 0.021
- Perrywinkle #8F8CE7 ΔE 0.049
- Wisteria #A87DC2 ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.058
- Liliac #C48EFD ΔE 0.062
- Baby Purple #CA9BF7 ΔE 0.064
- Lavender Blue #8B88F8 ΔE 0.071
- Heather #A484AC ΔE 0.074
Use #AC91DD 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.