#AC9CFB
Closest named color: Periwinkle Blue (#8F99FB). oklch(74.4% 0.135 290.5), rgb(172, 156, 251).
Aa
Black text reads best on this color (8.90:1).
About this color
#AC9CFB is a medium-light, moderately saturated purple. In OKLCH its lightness is 74%, its chroma 0.135 and its hue 290°. 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 8.90:1.
| Hue family | Purples |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.90:1 |
| White text | 2.35:1 |
Values
| HEX | #AC9CFB |
| RGB | rgb(172, 156, 251) |
| HSL | hsl(250, 92%, 80%) |
| OKLCH | oklch(74.4% 0.135 290.5) |
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 #AC9CFB | 2.35:1 | Fails | Lc -51.4 | Large or bold text, headings |
| Black text on #AC9CFB | 8.90:1 | AAA | Lc 57.6 | Large or bold text, headings |
| #AC9CFB text on white | 2.35:1 | Fails | Lc 46.4 | Large or bold text, headings |
| #AC9CFB text on black | 8.90:1 | AAA | Lc -55.6 | 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
#C0B8F4
oklch(81% 0.084 290.5)
-
Step 400
400 (this color)
#AC9CFB
oklch(74.4% 0.135 290.5)
-
Step 500
500
#8B72E9
oklch(63.2% 0.173 290.2)
-
Step 600
600
#7757D7
oklch(55.7% 0.188 290.5)
-
Step 700
700
#6446BA
oklch(49.1% 0.174 290.4)
-
Step 800
800
#513A97
oklch(42.7% 0.145 290.2)
-
Step 900
900
#433378
oklch(37.7% 0.113 290.6)
-
Step 950
950
#271F46
oklch(27.1% 0.07 290.3)
#AC9CFB 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) | #80AAFF | 0.062 |
| Deuteranopia (no green cones) | #81A7F9 | 0.060 |
| Tritanopia (no blue cones) | #99ADC0 | 0.112 |
| Achromatopsia (no color) | #A9A9A9 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC9CFB
#AC9CFB
oklch(74.4% 0.135 290.5)
- #B1B341
#B1B341
oklch(74.3% 0.135 110.2)
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 #AC9CFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.042
- Baby Purple #CA9BF7 ΔE 0.045
- Pastel Purple #CAA0FF ΔE 0.047
- Liliac #C48EFD ΔE 0.047
- Lilac #CEA2FD ΔE 0.055
- Pale Purple #B790D4 ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.065
- Pale Violet #CEAEFA ΔE 0.072
Use #AC9CFB 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.