#A491FA
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.7% 0.15 290.4), rgb(164, 145, 250).
Aa
Black text reads best on this color (8.00:1).
About this color
#A491FA is a medium-light, vivid purple. In OKLCH its lightness is 72%, its chroma 0.150 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.033 away. Black text reads best on it, at 8.00:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.00:1 |
| White text | 2.62:1 |
Values
| HEX | #A491FA |
| RGB | rgb(164, 145, 250) |
| HSL | hsl(251, 91%, 77%) |
| OKLCH | oklch(71.7% 0.15 290.4) |
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 #A491FA | 2.62:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #A491FA | 8.00:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #A491FA text on white | 2.62:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #A491FA 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
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D8D4FA
oklch(88.5% 0.052 290.1)
-
Step 300
300
#C0B7F9
oklch(81% 0.093 290.4)
-
Step 400
400 (this color)
#A491FA
oklch(71.7% 0.15 290.4)
-
Step 500
500
#8C6DF3
oklch(63% 0.193 290.4)
-
Step 600
600
#7851E1
oklch(55.6% 0.208 290.5)
-
Step 700
700
#6540C4
oklch(49.1% 0.194 290.3)
-
Step 800
800
#52369E
oklch(42.7% 0.16 290.3)
-
Step 900
900
#43307E
oklch(37.6% 0.126 290.2)
-
Step 950
950
#271D4A
oklch(27% 0.08 290.2)
#A491FA 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) | #6FA2FE | 0.074 |
| Deuteranopia (no green cones) | #709EF7 | 0.071 |
| Tritanopia (no blue cones) | #8FA5B9 | 0.126 |
| Achromatopsia (no color) | #A0A0A0 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A491FA
#A491FA
oklch(71.7% 0.15 290.4)
- #A9AB1C
#A9AB1C
oklch(71.6% 0.15 110.5)
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 #A491FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.033
- Perrywinkle #8F8CE7 ΔE 0.043
- Lavender Blue #8B88F8 ΔE 0.045
- Liliac #C48EFD ΔE 0.049
- Periwinkle #8E82FE ΔE 0.053
- Pale Purple #B790D4 ΔE 0.062
- Baby Purple #CA9BF7 ΔE 0.066
- Light Purple #BF77F6 ΔE 0.069
Use #A491FA 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.