#AC91ED
Closest named color: Pale Purple (#B790D4). oklch(71.7% 0.133 296.4), rgb(172, 145, 237).
Aa
Black text reads best on this color (8.02:1).
About this color
#AC91ED is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.133 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Purple (#B790D4), ΔE 0.040 away. Black text reads best on it, at 8.02:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 8.02:1 |
| White text | 2.61:1 |
Values
| HEX | #AC91ED |
| RGB | rgb(172, 145, 237) |
| HSL | hsl(258, 72%, 75%) |
| OKLCH | oklch(71.7% 0.133 296.4) |
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 #AC91ED | 2.61:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #AC91ED | 8.02:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #AC91ED text on white | 2.61:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #AC91ED text on black | 8.02:1 | AAA | Lc -51.0 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F9
oklch(93.6% 0.024 296.1)
-
Step 200
200
#DBD3F5
oklch(88.4% 0.047 296.2)
-
Step 300
300
#C5B6F1
oklch(80.9% 0.084 296.1)
-
Step 400
400 (this color)
#AC91ED
oklch(71.7% 0.133 296.4)
-
Step 500
500
#956FE3
oklch(63.2% 0.17 296.3)
-
Step 600
600
#8053D1
oklch(55.5% 0.186 296.3)
-
Step 700
700
#6D43B5
oklch(49.2% 0.172 296.5)
-
Step 800
800
#583892
oklch(42.7% 0.142 296.2)
-
Step 900
900
#483175
oklch(37.6% 0.112 296.2)
-
Step 950
950
#2A1E44
oklch(27% 0.069 296)
#AC91ED 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) | #78A0F1 | 0.074 |
| Deuteranopia (no green cones) | #7C9FEB | 0.071 |
| Tritanopia (no blue cones) | #9FA1B4 | 0.107 |
| Achromatopsia (no color) | #A0A0A0 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC91ED
#AC91ED
oklch(71.7% 0.133 296.4)
- #9FAE42
#9FAE42
oklch(71.8% 0.133 116.6)
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 #AC91ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Purple #B790D4 ΔE 0.040
- Liliac #C48EFD ΔE 0.045
- Periwinkle Blue #8F99FB ΔE 0.046
- Perrywinkle #8F8CE7 ΔE 0.047
- Baby Purple #CA9BF7 ΔE 0.056
- Lavender Blue #8B88F8 ΔE 0.059
- Pastel Purple #CAA0FF ΔE 0.065
- Light Purple #BF77F6 ΔE 0.068
Use #AC91ED 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.