#A181E4
Closest named color: Perrywinkle (#8F8CE7). oklch(67.4% 0.145 297.3), rgb(161, 129, 228).
Aa
Black text reads best on this color (6.77:1).
About this color
#A181E4 is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.145 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.035 away. Black text reads best on it, at 6.77:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.77:1 |
| White text | 3.09:1 |
Values
| HEX | #A181E4 |
| RGB | rgb(161, 129, 228) |
| HSL | hsl(259, 65%, 70%) |
| OKLCH | oklch(67.4% 0.145 297.3) |
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 #A181E4 | 3.09:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #A181E4 | 6.77:1 | AA | Lc 46.2 | Large or bold text, headings |
| #A181E4 text on white | 3.09:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #A181E4 text on black | 6.77:1 | AA | Lc -43.9 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DCD3F7
oklch(88.5% 0.05 296.8)
-
Step 300
300
#C7B5F4
oklch(81% 0.089 297.5)
-
Step 400
400 (this color)
#A181E4
oklch(67.4% 0.145 297.3)
-
Step 500
500
#986AEA
oklch(63.1% 0.186 297.4)
-
Step 600
600
#834ED8
oklch(55.6% 0.201 297)
-
Step 700
700
#6F3DBB
oklch(49% 0.188 297.1)
-
Step 800
800
#5B3497
oklch(42.7% 0.155 297.6)
-
Step 900
900
#4A2F78
oklch(37.7% 0.12 297.4)
-
Step 950
950
#2B1C47
oklch(27% 0.078 297)
#A181E4 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) | #6493E8 | 0.087 |
| Deuteranopia (no green cones) | #6A91E2 | 0.081 |
| Tritanopia (no blue cones) | #9393A8 | 0.115 |
| Achromatopsia (no color) | #929292 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A181E4
#A181E4
oklch(67.4% 0.145 297.3)
- #90A122
#90A122
oklch(67.3% 0.145 117.3)
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 #A181E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.035
- Lavender Blue #8B88F8 ΔE 0.043
- Periwinkle #8E82FE ΔE 0.047
- Medium Purple #9370DB ΔE 0.049
- Wisteria #A87DC2 ΔE 0.051
- Light Urple #B36FF6 ΔE 0.058
- Light Purple #BF77F6 ΔE 0.060
- Pale Purple #B790D4 ΔE 0.063
Use #A181E4 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.