#A09EF3
Closest named color: Periwinkle Blue (#8F99FB). oklch(73.5% 0.122 284.1), rgb(160, 158, 243).
Aa
Black text reads best on this color (8.67:1).
About this color
#A09EF3 is a medium-light, moderately saturated purple. In OKLCH its lightness is 73%, its chroma 0.122 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.031 away. Black text reads best on it, at 8.67:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.67:1 |
| White text | 2.41:1 |
Values
| HEX | #A09EF3 |
| RGB | rgb(160, 158, 243) |
| HSL | hsl(241, 78%, 79%) |
| OKLCH | oklch(73.5% 0.122 284.1) |
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 #A09EF3 | 2.41:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #A09EF3 | 8.67:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #A09EF3 text on white | 2.41:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #A09EF3 text on black | 8.67:1 | AAA | Lc -54.4 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D5D6F5
oklch(88.5% 0.042 284)
-
Step 300
300
#BABBF1
oklch(81% 0.076 283.7)
-
Step 400
400 (this color)
#A09EF3
oklch(73.5% 0.122 284.1)
-
Step 500
500
#8079E3
oklch(63.1% 0.155 284)
-
Step 600
600
#6B5FD1
oklch(55.6% 0.17 284.2)
-
Step 700
700
#594EB5
oklch(49.1% 0.157 283.8)
-
Step 800
800
#494092
oklch(42.6% 0.13 284.4)
-
Step 900
900
#3C3775
oklch(37.6% 0.103 283.9)
-
Step 950
950
#232144
oklch(27% 0.064 283.9)
#A09EF3 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) | #84A9F6 | 0.042 |
| Deuteranopia (no green cones) | #81A4F1 | 0.041 |
| Tritanopia (no blue cones) | #8AAEBD | 0.106 |
| Achromatopsia (no color) | #A7A7A7 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A09EF3
#A09EF3
oklch(73.5% 0.122 284.1)
- #B6AD48
#B6AD48
oklch(73.5% 0.123 104.2)
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 #A09EF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.031
- Perrywinkle #8F8CE7 ΔE 0.055
- Pale Purple #B790D4 ΔE 0.057
- Baby Purple #CA9BF7 ΔE 0.062
- Pastel Purple #CAA0FF ΔE 0.065
- Liliac #C48EFD ΔE 0.067
- Carolina Blue #8AB8FE ΔE 0.068
- Lavender Blue #8B88F8 ΔE 0.068
Use #A09EF3 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.