#A183FA
Closest named color: Periwinkle (#8E82FE). oklch(69% 0.171 293), rgb(161, 131, 250).
Aa
Black text reads best on this color (7.14:1).
About this color
#A183FA is a medium-light, vivid purple. In OKLCH its lightness is 69%, its chroma 0.171 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.030 away. Black text reads best on it, at 7.14:1.
| Hue family | Purples |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 7.14:1 |
| White text | 2.94:1 |
Values
| HEX | #A183FA |
| RGB | rgb(161, 131, 250) |
| HSL | hsl(255, 92%, 75%) |
| OKLCH | oklch(69% 0.171 293) |
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 #A183FA | 2.94:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #A183FA | 7.14:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #A183FA text on white | 2.94:1 | Fails | Lc 55.7 | Large or bold text, headings |
| #A183FA text on black | 7.14:1 | AAA | Lc -46.1 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#EAE6FD
oklch(93.5% 0.031 293.8)
-
Step 200
200
#DAD3FE
oklch(88.6% 0.059 292.6)
-
Step 300
300
#C3B4FF
oklch(80.9% 0.105 293.1)
-
Step 400
400 (this color)
#A183FA
oklch(69% 0.171 293)
-
Step 500
500
#9364FE
oklch(63% 0.218 293.2)
-
Step 600
600
#7F44ED
oklch(55.6% 0.237 293)
-
Step 700
700
#6C33CF
oklch(49.1% 0.221 293)
-
Step 800
800
#572DA7
oklch(42.7% 0.182 292.7)
-
Step 900
900
#472B84
oklch(37.7% 0.141 292.8)
-
Step 950
950
#291A4D
oklch(26.8% 0.09 292.9)
#A183FA 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) | #5898FE | 0.097 |
| Deuteranopia (no green cones) | #5D94F7 | 0.092 |
| Tritanopia (no blue cones) | #8B9AB3 | 0.138 |
| Achromatopsia (no color) | #969696 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A183FA
#A183FA
oklch(69% 0.171 293)
- #9DA400
#9DA400
oklch(69% 0.154 112.8)
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 #A183FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.030
- Lavender Blue #8B88F8 ΔE 0.033
- Perrywinkle #8F8CE7 ΔE 0.046
- Light Urple #B36FF6 ΔE 0.050
- Light Purple #BF77F6 ΔE 0.052
- Periwinkle Blue #8F99FB ΔE 0.057
- Easter Purple #C071FE ΔE 0.061
- Liliac #C48EFD ΔE 0.064
Use #A183FA 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.