#9C99FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.8% 0.146 283.5), rgb(156, 153, 255).
Aa
Black text reads best on this color (8.41:1).
About this color
#9C99FF is a medium-light, vivid purple. In OKLCH its lightness is 73%, its chroma 0.146 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.019 away. Black text reads best on it, at 8.41:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #9C99FF |
| RGB | rgb(156, 153, 255) |
| HSL | hsl(242, 100%, 80%) |
| OKLCH | oklch(72.8% 0.146 283.5) |
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 #9C99FF | 2.49:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #9C99FF | 8.41:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #9C99FF text on white | 2.49:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #9C99FF text on black | 8.41:1 | AAA | Lc -53.1 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E7E8FC
oklch(93.6% 0.027 283.6)
-
Step 200
200
#D4D5FA
oklch(88.4% 0.051 284.1)
-
Step 300
300
#B8B9FA
oklch(80.8% 0.091 283.5)
-
Step 400
400 (this color)
#9C99FF
oklch(72.8% 0.146 283.5)
-
Step 500
500
#7E73F4
oklch(63% 0.187 283.5)
-
Step 600
600
#6A58E3
oklch(55.7% 0.202 283.5)
-
Step 700
700
#5947C5
oklch(49.2% 0.188 283.6)
-
Step 800
800
#483B9F
oklch(42.6% 0.155 283.5)
-
Step 900
900
#3C347F
oklch(37.7% 0.122 283.7)
-
Step 950
950
#231F4A
oklch(27% 0.077 284.2)
#9C99FF 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) | #76A7FF | 0.055 |
| Deuteranopia (no green cones) | #72A1FD | 0.054 |
| Tritanopia (no blue cones) | #80ADC0 | 0.125 |
| Achromatopsia (no color) | #A4A4A4 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9C99FF
#9C99FF
oklch(72.8% 0.146 283.5)
- #B8AA1F
#B8AA1F
oklch(72.8% 0.146 103.1)
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 #9C99FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.019
- Perrywinkle #8F8CE7 ΔE 0.049
- Lavender Blue #8B88F8 ΔE 0.051
- Periwinkle #8E82FE ΔE 0.062
- Liliac #C48EFD ΔE 0.062
- Baby Purple #CA9BF7 ΔE 0.070
- Pale Purple #B790D4 ΔE 0.071
- Pastel Purple #CAA0FF ΔE 0.072
Use #9C99FF 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.