#AC91EA
Closest named color: Pale Purple (#B790D4). oklch(71.6% 0.129 297), rgb(172, 145, 234).
Aa
Black text reads best on this color (7.99:1).
About this color
#AC91EA is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.129 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Purple (#B790D4), ΔE 0.036 away. Black text reads best on it, at 7.99:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 7.99:1 |
| White text | 2.62:1 |
Values
| HEX | #AC91EA |
| RGB | rgb(172, 145, 234) |
| HSL | hsl(258, 68%, 74%) |
| OKLCH | oklch(71.6% 0.129 297) |
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 #AC91EA | 2.62:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #AC91EA | 7.99:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #AC91EA text on white | 2.62:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #AC91EA text on black | 7.99:1 | AAA | Lc -50.8 | 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
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD4F4
oklch(88.6% 0.044 296.9)
-
Step 300
300
#C6B6EF
oklch(80.9% 0.081 297.4)
-
Step 400
400 (this color)
#AC91EA
oklch(71.6% 0.129 297)
-
Step 500
500
#956FE0
oklch(63% 0.166 296.9)
-
Step 600
600
#8155CD
oklch(55.7% 0.179 297.1)
-
Step 700
700
#6D44B2
oklch(49.1% 0.167 297)
-
Step 800
800
#593990
oklch(42.8% 0.138 297.2)
-
Step 900
900
#493273
oklch(37.8% 0.108 297.3)
-
Step 950
950
#2A1E43
oklch(27% 0.067 296.6)
#AC91EA 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) | #79A0ED | 0.074 |
| Deuteranopia (no green cones) | #7E9FE8 | 0.069 |
| Tritanopia (no blue cones) | #A0A0B2 | 0.104 |
| Achromatopsia (no color) | #A0A0A0 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC91EA
#AC91EA
oklch(71.6% 0.129 297)
- #9EAD46
#9EAD46
oklch(71.5% 0.129 116.7)
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 #AC91EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Purple #B790D4 ΔE 0.036
- Perrywinkle #8F8CE7 ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.047
- Liliac #C48EFD ΔE 0.048
- Baby Purple #CA9BF7 ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.061
- Pastel Purple #CAA0FF ΔE 0.066
- Wisteria #A87DC2 ΔE 0.069
Use #AC91EA 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.