#AC99FA
Closest named color: Periwinkle Blue (#8F99FB). oklch(73.8% 0.138 291.6), rgb(172, 153, 250).
Aa
Black text reads best on this color (8.69:1).
About this color
#AC99FA is a medium-light, moderately saturated purple. In OKLCH its lightness is 74%, its chroma 0.138 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 0.041 away. Black text reads best on it, at 8.69:1.
| Hue family | Purples |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.69:1 |
| White text | 2.41:1 |
Values
| HEX | #AC99FA |
| RGB | rgb(172, 153, 250) |
| HSL | hsl(252, 91%, 79%) |
| OKLCH | oklch(73.8% 0.138 291.6) |
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 #AC99FA | 2.41:1 | Fails | Lc -52.5 | Large or bold text, headings |
| Black text on #AC99FA | 8.69:1 | AAA | Lc 56.5 | Large or bold text, headings |
| #AC99FA text on white | 2.41:1 | Fails | Lc 47.5 | Large or bold text, headings |
| #AC99FA text on black | 8.69:1 | AAA | Lc -54.5 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#D9D4F7
oklch(88.5% 0.048 291.9)
-
Step 300
300
#C1B7F5
oklch(80.9% 0.087 291.7)
-
Step 400
400 (this color)
#AC99FA
oklch(73.8% 0.138 291.6)
-
Step 500
500
#8D70EA
oklch(63.1% 0.177 291.4)
-
Step 600
600
#7955D8
oklch(55.7% 0.192 291.6)
-
Step 700
700
#6644BB
oklch(49.1% 0.178 291.6)
-
Step 800
800
#533998
oklch(42.8% 0.148 291.5)
-
Step 900
900
#443279
oklch(37.7% 0.116 291.5)
-
Step 950
950
#281E47
oklch(27% 0.074 292)
#AC99FA 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) | #7CA8FE | 0.068 |
| Deuteranopia (no green cones) | #7EA5F8 | 0.065 |
| Tritanopia (no blue cones) | #9AABBE | 0.115 |
| Achromatopsia (no color) | #A7A7A7 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC99FA
#AC99FA
oklch(73.8% 0.138 291.6)
- #ADB23D
#ADB23D
oklch(73.8% 0.138 111.7)
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 #AC99FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.041
- Liliac #C48EFD ΔE 0.044
- Baby Purple #CA9BF7 ΔE 0.047
- Pastel Purple #CAA0FF ΔE 0.050
- Pale Purple #B790D4 ΔE 0.056
- Lilac #CEA2FD ΔE 0.058
- Perrywinkle #8F8CE7 ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.067
Use #AC99FA 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.