#A191FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.7% 0.157 288.5), rgb(161, 145, 255).
Aa
Black text reads best on this color (8.00:1).
About this color
#A191FF is a medium-light, vivid purple. In OKLCH its lightness is 72%, its chroma 0.157 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.031 away. Black text reads best on it, at 8.00:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.00:1 |
| White text | 2.62:1 |
Values
| HEX | #A191FF |
| RGB | rgb(161, 145, 255) |
| HSL | hsl(249, 100%, 78%) |
| OKLCH | oklch(71.7% 0.157 288.5) |
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 #A191FF | 2.62:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #A191FF | 8.00:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #A191FF text on white | 2.62:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #A191FF text on black | 8.00:1 | AAA | Lc -50.9 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D7D4FC
oklch(88.5% 0.055 288.7)
-
Step 300
300
#BEB7FD
oklch(81% 0.098 288.6)
-
Step 400
400 (this color)
#A191FF
oklch(71.7% 0.157 288.5)
-
Step 500
500
#896DF9
oklch(63.2% 0.2 288.5)
-
Step 600
600
#754FE8
oklch(55.6% 0.218 288.6)
-
Step 700
700
#623EC9
oklch(49% 0.203 288.5)
-
Step 800
800
#5035A3
oklch(42.7% 0.168 288.5)
-
Step 900
900
#423081
oklch(37.7% 0.13 288.8)
-
Step 950
950
#261D4C
oklch(27% 0.083 288.3)
#A191FF 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) | #6BA2FF | 0.075 |
| Deuteranopia (no green cones) | #6B9DFC | 0.071 |
| Tritanopia (no blue cones) | #88A6BC | 0.131 |
| Achromatopsia (no color) | #A0A0A0 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A191FF
#A191FF
oklch(71.7% 0.157 288.5)
- #ADAA00
#ADAA00
oklch(71.7% 0.155 108.5)
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 #A191FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.031
- Lavender Blue #8B88F8 ΔE 0.041
- Perrywinkle #8F8CE7 ΔE 0.045
- Periwinkle #8E82FE ΔE 0.048
- Liliac #C48EFD ΔE 0.053
- Pale Purple #B790D4 ΔE 0.071
- Light Purple #BF77F6 ΔE 0.071
- Baby Purple #CA9BF7 ΔE 0.071
Use #A191FF 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.