#A1A5FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(75.5% 0.129 280.9), rgb(161, 165, 255).
Aa
Black text reads best on this color (9.34:1).
About this color
#A1A5FF is a medium-light, moderately saturated purple. In OKLCH its lightness is 75%, its chroma 0.129 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.041 away. Black text reads best on it, at 9.34:1.
| Hue family | Purples |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 9.34:1 |
| White text | 2.24:1 |
Values
| HEX | #A1A5FF |
| RGB | rgb(161, 165, 255) |
| HSL | hsl(237, 100%, 82%) |
| OKLCH | oklch(75.5% 0.129 280.9) |
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 #A1A5FF | 2.24:1 | Fails | Lc -49.0 | Large or bold text, headings |
| Black text on #A1A5FF | 9.34:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #A1A5FF text on white | 2.24:1 | Fails | Lc 44.2 | Non-text elements, placeholder text |
| #A1A5FF text on black | 9.34:1 | AAA | Lc -57.9 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D3D6F7
oklch(88.4% 0.045 281.3)
-
Step 300
300
#B7BBF4
oklch(80.9% 0.08 281.3)
-
Step 400
400 (this color)
#A1A5FF
oklch(75.5% 0.129 280.9)
-
Step 500
500
#7A79E9
oklch(63% 0.164 281)
-
Step 600
600
#655FD7
oklch(55.5% 0.178 281.1)
-
Step 700
700
#544EBB
oklch(49.2% 0.166 280.8)
-
Step 800
800
#444097
oklch(42.6% 0.138 280.8)
-
Step 900
900
#393878
oklch(37.7% 0.106 280.7)
-
Step 950
950
#212146
oklch(26.9% 0.067 280.9)
#A1A5FF 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) | #88B0FF | 0.039 |
| Deuteranopia (no green cones) | #83AAFD | 0.039 |
| Tritanopia (no blue cones) | #86B6C6 | 0.112 |
| Achromatopsia (no color) | #ADADAD | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1A5FF
#A1A5FF
oklch(75.5% 0.129 280.9)
- #C1B145
#C1B145
oklch(75.4% 0.128 100.9)
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 #A1A5FF, closest first.
No curated palette has a color within ΔE 0.04 of #A1A5FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.041
- Carolina Blue #8AB8FE ΔE 0.054
- Pastel Purple #CAA0FF ΔE 0.059
- Baby Purple #CA9BF7 ΔE 0.061
- Lilac #CEA2FD ΔE 0.065
- Pastel Blue #A2BFFE ΔE 0.069
- Liliac #C48EFD ΔE 0.071
- Pale Violet #CEAEFA ΔE 0.071
Use #A1A5FF 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.