#A399EE
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.5% 0.122 288.4), rgb(163, 153, 238).
Aa
Black text reads best on this color (8.34:1).
About this color
#A399EE is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.122 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.033 away. Black text reads best on it, at 8.34:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.34:1 |
| White text | 2.51:1 |
Values
| HEX | #A399EE |
| RGB | rgb(163, 153, 238) |
| HSL | hsl(247, 71%, 77%) |
| OKLCH | oklch(72.5% 0.122 288.4) |
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 #A399EE | 2.51:1 | Fails | Lc -54.4 | Large or bold text, headings |
| Black text on #A399EE | 8.34:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #A399EE text on white | 2.51:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #A399EE text on black | 8.34:1 | AAA | Lc -52.7 | 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
#D7D5F4
oklch(88.4% 0.042 288.5)
-
Step 300
300
#BEB9F0
oklch(80.9% 0.077 288.7)
-
Step 400
400 (this color)
#A399EE
oklch(72.5% 0.122 288.4)
-
Step 500
500
#8776E1
oklch(63% 0.157 288.4)
-
Step 600
600
#725DCF
oklch(55.7% 0.169 288.1)
-
Step 700
700
#604BB3
oklch(49% 0.158 288.5)
-
Step 800
800
#4E3E91
oklch(42.6% 0.131 288.4)
-
Step 900
900
#413673
oklch(37.7% 0.101 288.9)
-
Step 950
950
#262044
oklch(27% 0.065 288.9)
#A399EE 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) | #80A5F1 | 0.051 |
| Deuteranopia (no green cones) | #7FA1EC | 0.050 |
| Tritanopia (no blue cones) | #91A8B8 | 0.103 |
| Achromatopsia (no color) | #A3A3A3 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A399EE
#A399EE
oklch(72.5% 0.122 288.4)
- #ADAC48
#ADAC48
oklch(72.5% 0.122 108.6)
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 #A399EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.033
- Perrywinkle #8F8CE7 ΔE 0.046
- Pale Purple #B790D4 ΔE 0.047
- Liliac #C48EFD ΔE 0.061
- Baby Purple #CA9BF7 ΔE 0.061
- Lavender Blue #8B88F8 ΔE 0.062
- Pastel Purple #CAA0FF ΔE 0.066
- Lilac #CEA2FD ΔE 0.073
Use #A399EE 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.