#A181EF
Closest named color: Periwinkle (#8E82FE). oklch(68% 0.159 295.2), rgb(161, 129, 239).
Aa
Black text reads best on this color (6.90:1).
About this color
#A181EF is a medium-light, vivid purple. In OKLCH its lightness is 68%, its chroma 0.159 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.036 away. Black text reads best on it, at 6.90:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.90:1 |
| White text | 3.04:1 |
Values
| HEX | #A181EF |
| RGB | rgb(161, 129, 239) |
| HSL | hsl(257, 77%, 72%) |
| OKLCH | oklch(68% 0.159 295.2) |
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 #A181EF | 3.04:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #A181EF | 6.90:1 | AA | Lc 47.0 | Large or bold text, headings |
| #A181EF text on white | 3.04:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #A181EF text on black | 6.90:1 | AA | Lc -44.7 | Non-text elements, placeholder text |
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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DBD3FB
oklch(88.6% 0.055 294.4)
-
Step 300
300
#C5B4FA
oklch(80.9% 0.099 295.2)
-
Step 400
400 (this color)
#A181EF
oklch(68% 0.159 295.2)
-
Step 500
500
#9667F5
oklch(63.2% 0.204 295.2)
-
Step 600
600
#8248E3
oklch(55.5% 0.221 295.4)
-
Step 700
700
#6E38C6
oklch(49.1% 0.206 295)
-
Step 800
800
#5930A0
oklch(42.7% 0.171 294.9)
-
Step 900
900
#492C7F
oklch(37.6% 0.134 295.3)
-
Step 950
950
#2A1B4A
oklch(26.9% 0.084 294.9)
#A181EF 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) | #5D95F3 | 0.094 |
| Deuteranopia (no green cones) | #6292EC | 0.089 |
| Tritanopia (no blue cones) | #8F96AD | 0.128 |
| Achromatopsia (no color) | #949494 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A181EF
#A181EF
oklch(68% 0.159 295.2)
- #96A300
#96A300
oklch(68.2% 0.155 115.3)
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 #A181EF, closest first.
No curated palette has a color within ΔE 0.04 of #A181EF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.036
- Lavender Blue #8B88F8 ΔE 0.036
- Perrywinkle #8F8CE7 ΔE 0.040
- Light Urple #B36FF6 ΔE 0.050
- Light Purple #BF77F6 ΔE 0.053
- Medium Purple #9370DB ΔE 0.054
- Periwinkle Blue #8F99FB ΔE 0.061
- Easter Purple #C071FE ΔE 0.064
Use #A181EF 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.