#A691FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.1% 0.157 290.7), rgb(166, 145, 255).
Aa
Black text reads best on this color (8.11:1).
About this color
#A691FF is a medium-light, vivid purple. In OKLCH its lightness is 72%, its chroma 0.157 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.037 away. Black text reads best on it, at 8.11:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.11:1 |
| White text | 2.58:1 |
Values
| HEX | #A691FF |
| RGB | rgb(166, 145, 255) |
| HSL | hsl(251, 100%, 78%) |
| OKLCH | oklch(72.1% 0.157 290.7) |
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 #A691FF | 2.58:1 | Fails | Lc -55.6 | Large or bold text, headings |
| Black text on #A691FF | 8.11:1 | AAA | Lc 53.6 | Large or bold text, headings |
| #A691FF text on white | 2.58:1 | Fails | Lc 50.4 | Large or bold text, headings |
| #A691FF text on black | 8.11:1 | AAA | Lc -51.5 | 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
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D8D4FB
oklch(88.5% 0.053 290)
-
Step 300
300
#C0B6FC
oklch(80.9% 0.098 290.6)
-
Step 400
400 (this color)
#A691FF
oklch(72.1% 0.157 290.7)
-
Step 500
500
#8D6BF7
oklch(63.1% 0.2 290.7)
-
Step 600
600
#794DE6
oklch(55.6% 0.218 290.7)
-
Step 700
700
#663DC8
oklch(49.1% 0.202 290.5)
-
Step 800
800
#5334A2
oklch(42.8% 0.168 290.5)
-
Step 900
900
#442F80
oklch(37.7% 0.13 290.7)
-
Step 950
950
#281C4B
oklch(27% 0.084 291.6)
#A691FF 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) | #6CA3FF | 0.081 |
| Deuteranopia (no green cones) | #6E9FFC | 0.076 |
| Tritanopia (no blue cones) | #90A6BC | 0.130 |
| Achromatopsia (no color) | #A1A1A1 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A691FF
#A691FF
oklch(72.1% 0.157 290.7)
- #ABAD08
#ABAD08
oklch(72.2% 0.157 110.6)
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 #A691FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.037
- Liliac #C48EFD ΔE 0.046
- Lavender Blue #8B88F8 ΔE 0.048
- Perrywinkle #8F8CE7 ΔE 0.050
- Periwinkle #8E82FE ΔE 0.054
- Baby Purple #CA9BF7 ΔE 0.065
- Light Purple #BF77F6 ΔE 0.067
- Pale Purple #B790D4 ΔE 0.068
Use #A691FF 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.