#A18EFB
Closest named color: Periwinkle Blue (#8F99FB). oklch(71% 0.156 289.8), rgb(161, 142, 251).
Aa
Black text reads best on this color (7.77:1).
About this color
#A18EFB is a medium-light, vivid purple. In OKLCH its lightness is 71%, its chroma 0.156 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.035 away. Black text reads best on it, at 7.77:1.
| Hue family | Purples |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.77:1 |
| White text | 2.70:1 |
Values
| HEX | #A18EFB |
| RGB | rgb(161, 142, 251) |
| HSL | hsl(250, 93%, 77%) |
| OKLCH | oklch(71% 0.156 289.8) |
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 #A18EFB | 2.70:1 | Fails | Lc -57.4 | Large or bold text, headings |
| Black text on #A18EFB | 7.77:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #A18EFB text on white | 2.70:1 | Fails | Lc 52.2 | Large or bold text, headings |
| #A18EFB text on black | 7.77:1 | AAA | Lc -49.6 | 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
#D8D4FB
oklch(88.5% 0.053 290)
-
Step 300
300
#BFB6FC
oklch(80.9% 0.098 289.9)
-
Step 400
400 (this color)
#A18EFB
oklch(71% 0.156 289.8)
-
Step 500
500
#8B6CF7
oklch(63.1% 0.199 289.7)
-
Step 600
600
#774FE6
oklch(55.6% 0.216 289.7)
-
Step 700
700
#653EC8
oklch(49.2% 0.201 289.9)
-
Step 800
800
#5234A2
oklch(42.7% 0.168 289.9)
-
Step 900
900
#433080
oklch(37.8% 0.129 289.7)
-
Step 950
950
#271D4B
oklch(27% 0.082 289.8)
#A18EFB 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) | #69A0FF | 0.077 |
| Deuteranopia (no green cones) | #6A9BF8 | 0.074 |
| Tritanopia (no blue cones) | #8AA3B8 | 0.131 |
| Achromatopsia (no color) | #9D9D9D | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A18EFB
#A18EFB
oklch(71% 0.156 289.8)
- #A8A900
#A8A900
oklch(71% 0.155 110.2)
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 #A18EFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.035
- Lavender Blue #8B88F8 ΔE 0.037
- Perrywinkle #8F8CE7 ΔE 0.040
- Periwinkle #8E82FE ΔE 0.044
- Liliac #C48EFD ΔE 0.054
- Light Purple #BF77F6 ΔE 0.066
- Pale Purple #B790D4 ΔE 0.068
- Light Urple #B36FF6 ΔE 0.073
Use #A18EFB 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.