#A18FF4
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.8% 0.145 290.4), rgb(161, 143, 244).
Aa
Black text reads best on this color (7.75:1).
About this color
#A18FF4 is a medium-light, vivid purple. In OKLCH its lightness is 71%, its chroma 0.145 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.033 away. Black text reads best on it, at 7.75:1.
| Hue family | Purples |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.75:1 |
| White text | 2.70:1 |
Values
| HEX | #A18FF4 |
| RGB | rgb(161, 143, 244) |
| HSL | hsl(251, 82%, 76%) |
| OKLCH | oklch(70.8% 0.145 290.4) |
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 #A18FF4 | 2.70:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #A18FF4 | 7.75:1 | AAA | Lc 51.6 | Large or bold text, headings |
| #A18FF4 text on white | 2.70:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #A18FF4 text on black | 7.75:1 | AAA | Lc -49.5 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D8D4F9
oklch(88.5% 0.051 290.3)
-
Step 300
300
#C0B7F8
oklch(81% 0.091 290.6)
-
Step 400
400 (this color)
#A18FF4
oklch(70.8% 0.145 290.4)
-
Step 500
500
#8C6FEF
oklch(63.1% 0.185 290.5)
-
Step 600
600
#7753DE
oklch(55.6% 0.202 290.2)
-
Step 700
700
#6542C1
oklch(49.2% 0.188 290.4)
-
Step 800
800
#52389C
oklch(42.8% 0.155 290.3)
-
Step 900
900
#43317C
oklch(37.6% 0.122 290.4)
-
Step 950
950
#271E48
oklch(27% 0.075 290.3)
#A18FF4 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) | #6F9FF8 | 0.070 |
| Deuteranopia (no green cones) | #709BF2 | 0.067 |
| Tritanopia (no blue cones) | #8DA2B6 | 0.120 |
| Achromatopsia (no color) | #9D9D9D | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A18FF4
#A18FF4
oklch(70.8% 0.145 290.4)
- #A6A823
#A6A823
oklch(70.7% 0.145 110.5)
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 #A18FF4, 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 0.034
- Lavender Blue #8B88F8 ΔE 0.039
- Periwinkle #8E82FE ΔE 0.049
- Liliac #C48EFD ΔE 0.056
- Pale Purple #B790D4 ΔE 0.058
- Light Purple #BF77F6 ΔE 0.069
- Baby Purple #CA9BF7 ΔE 0.072
Use #A18FF4 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.