#AA99EE
Closest named color: Periwinkle Blue (#8F99FB). oklch(73.1% 0.122 292.3), rgb(170, 153, 238).
Aa
Black text reads best on this color (8.50:1).
About this color
#AA99EE is a medium-light, moderately saturated purple. In OKLCH its lightness is 73%, its chroma 0.122 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.042 away. Black text reads best on it, at 8.50:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.50:1 |
| White text | 2.47:1 |
Values
| HEX | #AA99EE |
| RGB | rgb(170, 153, 238) |
| HSL | hsl(252, 71%, 77%) |
| OKLCH | oklch(73.1% 0.122 292.3) |
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 #AA99EE | 2.47:1 | Fails | Lc -53.5 | Large or bold text, headings |
| Black text on #AA99EE | 8.50:1 | AAA | Lc 55.5 | Large or bold text, headings |
| #AA99EE text on white | 2.47:1 | Fails | Lc 48.5 | Large or bold text, headings |
| #AA99EE text on black | 8.50:1 | AAA | Lc -53.5 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D5F3
oklch(88.5% 0.041 291.7)
-
Step 300
300
#C1B8EE
oklch(80.8% 0.076 292.3)
-
Step 400
400 (this color)
#AA99EE
oklch(73.1% 0.122 292.3)
-
Step 500
500
#8D74DE
oklch(63% 0.155 292.2)
-
Step 600
600
#795ACC
oklch(55.6% 0.169 292.6)
-
Step 700
700
#6649B1
oklch(49.1% 0.158 292.4)
-
Step 800
800
#533D8F
oklch(42.8% 0.13 292.4)
-
Step 900
900
#443572
oklch(37.7% 0.101 292.2)
-
Step 950
950
#281F43
oklch(27% 0.065 293)
#AA99EE 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) | #81A6F1 | 0.059 |
| Deuteranopia (no green cones) | #83A3EC | 0.056 |
| Tritanopia (no blue cones) | #9BA8B8 | 0.102 |
| Achromatopsia (no color) | #A5A5A5 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA99EE
#AA99EE
oklch(73.1% 0.122 292.3)
- #A9B04E
#A9B04E
oklch(73.1% 0.122 112.8)
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 #AA99EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.042
- Pale Purple #B790D4 ΔE 0.042
- Baby Purple #CA9BF7 ΔE 0.051
- Liliac #C48EFD ΔE 0.053
- Perrywinkle #8F8CE7 ΔE 0.054
- Pastel Purple #CAA0FF ΔE 0.057
- Lilac #CEA2FD ΔE 0.064
- Lavender Blue #8B88F8 ΔE 0.069
Use #AA99EE 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.