#A399EB
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.3% 0.118 288.7), rgb(163, 153, 235).
Aa
Black text reads best on this color (8.31:1).
About this color
#A399EB is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.118 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.036 away. Black text reads best on it, at 8.31:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.31:1 |
| White text | 2.52:1 |
Values
| HEX | #A399EB |
| RGB | rgb(163, 153, 235) |
| HSL | hsl(247, 67%, 76%) |
| OKLCH | oklch(72.3% 0.118 288.7) |
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 #A399EB | 2.52:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #A399EB | 8.31:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #A399EB text on white | 2.52:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #A399EB text on black | 8.31:1 | AAA | Lc -52.5 | 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
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F3
oklch(88.4% 0.041 288.6)
-
Step 300
300
#BEBAEE
oklch(81% 0.073 288.2)
-
Step 400
400 (this color)
#A399EB
oklch(72.3% 0.118 288.7)
-
Step 500
500
#8877DE
oklch(63.1% 0.151 288.9)
-
Step 600
600
#735ECB
oklch(55.7% 0.162 288.9)
-
Step 700
700
#604CB0
oklch(49% 0.153 288.7)
-
Step 800
800
#4E3F8E
oklch(42.6% 0.126 288.6)
-
Step 900
900
#413772
oklch(37.8% 0.098 288.6)
-
Step 950
950
#262043
oklch(27% 0.064 289.3)
#A399EB 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) | #81A5EE | 0.050 |
| Deuteranopia (no green cones) | #81A1E9 | 0.048 |
| Tritanopia (no blue cones) | #92A8B7 | 0.100 |
| Achromatopsia (no color) | #A3A3A3 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A399EB
#A399EB
oklch(72.3% 0.118 288.7)
- #ACAB4D
#ACAB4D
oklch(72.3% 0.117 108.4)
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 #A399EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.036
- Pale Purple #B790D4 ΔE 0.044
- Perrywinkle #8F8CE7 ΔE 0.046
- Baby Purple #CA9BF7 ΔE 0.062
- Liliac #C48EFD ΔE 0.063
- Lavender Blue #8B88F8 ΔE 0.064
- Pastel Purple #CAA0FF ΔE 0.068
- Lilac #CEA2FD ΔE 0.074
Use #A399EB 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.