#A18FF9
Closest named color: Periwinkle Blue (#8F99FB). oklch(71% 0.152 289.8), rgb(161, 143, 249).
Aa
Black text reads best on this color (7.81:1).
About this color
#A18FF9 is a medium-light, vivid purple. In OKLCH its lightness is 71%, its chroma 0.152 and its hue 290°. 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 7.81:1.
| Hue family | Purples |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.81:1 |
| White text | 2.68:1 |
Values
| HEX | #A18FF9 |
| RGB | rgb(161, 143, 249) |
| HSL | hsl(250, 90%, 77%) |
| OKLCH | oklch(71% 0.152 289.8) |
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 #A18FF9 | 2.68:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #A18FF9 | 7.81:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #A18FF9 text on white | 2.68:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #A18FF9 text on black | 7.81:1 | AAA | Lc -49.8 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D8D4FA
oklch(88.5% 0.052 290.1)
-
Step 300
300
#BFB7FA
oklch(81% 0.094 289.6)
-
Step 400
400 (this color)
#A18FF9
oklch(71% 0.152 289.8)
-
Step 500
500
#8B6DF4
oklch(63% 0.194 289.9)
-
Step 600
600
#7750E3
oklch(55.6% 0.211 290)
-
Step 700
700
#6440C5
oklch(49.1% 0.195 289.7)
-
Step 800
800
#51369F
oklch(42.6% 0.161 289.6)
-
Step 900
900
#43307F
oklch(37.7% 0.128 290)
-
Step 950
950
#271D4A
oklch(27% 0.08 290.2)
#A18FF9 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) | #6CA0FD | 0.074 |
| Deuteranopia (no green cones) | #6C9BF6 | 0.071 |
| Tritanopia (no blue cones) | #8BA3B8 | 0.126 |
| Achromatopsia (no color) | #9E9E9E | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A18FF9
#A18FF9
oklch(71% 0.152 289.8)
- #A9A910
#A9A910
oklch(71.2% 0.152 109.7)
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 #A18FF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.033
- Lavender Blue #8B88F8 ΔE 0.038
- Perrywinkle #8F8CE7 ΔE 0.038
- Periwinkle #8E82FE ΔE 0.046
- Liliac #C48EFD ΔE 0.054
- Pale Purple #B790D4 ΔE 0.065
- Light Purple #BF77F6 ΔE 0.068
- Baby Purple #CA9BF7 ΔE 0.073
Use #A18FF9 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.