#A099EF
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.3% 0.123 286.6), rgb(160, 153, 239).
Aa
Black text reads best on this color (8.29:1).
About this color
#A099EF is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.123 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.029 away. Black text reads best on it, at 8.29:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.29:1 |
| White text | 2.53:1 |
Values
| HEX | #A099EF |
| RGB | rgb(160, 153, 239) |
| HSL | hsl(245, 73%, 77%) |
| OKLCH | oklch(72.3% 0.123 286.6) |
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 #A099EF | 2.53:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #A099EF | 8.29:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #A099EF text on white | 2.53:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #A099EF text on black | 8.29:1 | AAA | Lc -52.4 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D6F5
oklch(88.6% 0.042 285.5)
-
Step 300
300
#BCBAF1
oklch(80.9% 0.077 286.2)
-
Step 400
400 (this color)
#A099EF
oklch(72.3% 0.123 286.6)
-
Step 500
500
#8477E3
oklch(63.1% 0.158 286.5)
-
Step 600
600
#6F5DD1
oklch(55.6% 0.172 286.5)
-
Step 700
700
#5D4CB5
oklch(49.1% 0.16 286.4)
-
Step 800
800
#4C3F92
oklch(42.7% 0.132 286.6)
-
Step 900
900
#3F3675
oklch(37.7% 0.104 286.8)
-
Step 950
950
#252044
oklch(26.9% 0.065 287.6)
#A099EF 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) | #7FA5F2 | 0.049 |
| Deuteranopia (no green cones) | #7DA0ED | 0.047 |
| Tritanopia (no blue cones) | #8CA9B9 | 0.106 |
| Achromatopsia (no color) | #A3A3A3 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A099EF
#A099EF
oklch(72.3% 0.123 286.6)
- #AFAA44
#AFAA44
oklch(72.2% 0.124 106.5)
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 #A099EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.029
- Perrywinkle #8F8CE7 ΔE 0.044
- Pale Purple #B790D4 ΔE 0.051
- Lavender Blue #8B88F8 ΔE 0.059
- Liliac #C48EFD ΔE 0.064
- Baby Purple #CA9BF7 ΔE 0.065
- Pastel Purple #CAA0FF ΔE 0.070
- Periwinkle #8E82FE ΔE 0.073
Use #A099EF 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.