#AC9BFB
Closest named color: Periwinkle Blue (#8F99FB). oklch(74.2% 0.137 290.8), rgb(172, 155, 251).
Aa
Black text reads best on this color (8.83:1).
About this color
#AC9BFB is a medium-light, moderately saturated purple. In OKLCH its lightness is 74%, its chroma 0.137 and its hue 291°. 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 8.83:1.
| Hue family | Purples |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.83:1 |
| White text | 2.37:1 |
Values
| HEX | #AC9BFB |
| RGB | rgb(172, 155, 251) |
| HSL | hsl(251, 92%, 80%) |
| OKLCH | oklch(74.2% 0.137 290.8) |
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 #AC9BFB | 2.37:1 | Fails | Lc -51.7 | Large or bold text, headings |
| Black text on #AC9BFB | 8.83:1 | AAA | Lc 57.2 | Large or bold text, headings |
| #AC9BFB text on white | 2.37:1 | Fails | Lc 46.8 | Large or bold text, headings |
| #AC9BFB text on black | 8.83:1 | AAA | Lc -55.3 | 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
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F7
oklch(88.4% 0.048 290.6)
-
Step 300
300
#C0B7F4
oklch(80.8% 0.086 291.1)
-
Step 400
400 (this color)
#AC9BFB
oklch(74.2% 0.137 290.8)
-
Step 500
500
#8C71E9
oklch(63.1% 0.174 290.9)
-
Step 600
600
#7756D8
oklch(55.6% 0.19 290.6)
-
Step 700
700
#6545BB
oklch(49.1% 0.177 290.9)
-
Step 800
800
#523A97
oklch(42.8% 0.145 290.8)
-
Step 900
900
#433378
oklch(37.7% 0.113 290.6)
-
Step 950
950
#271E46
oklch(26.9% 0.072 291.1)
#AC9BFB 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) | #7EAAFF | 0.065 |
| Deuteranopia (no green cones) | #7FA6F9 | 0.062 |
| Tritanopia (no blue cones) | #99ACBF | 0.114 |
| Achromatopsia (no color) | #A8A8A8 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC9BFB
#AC9BFB
oklch(74.2% 0.137 290.8)
- #B0B33F
#B0B33F
oklch(74.2% 0.137 110.7)
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 #AC9BFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.041
- Baby Purple #CA9BF7 ΔE 0.046
- Liliac #C48EFD ΔE 0.046
- Pastel Purple #CAA0FF ΔE 0.048
- Lilac #CEA2FD ΔE 0.056
- Pale Purple #B790D4 ΔE 0.058
- Perrywinkle #8F8CE7 ΔE 0.064
- Lavender Blue #8B88F8 ΔE 0.071
Use #AC9BFB 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.