#9F99FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(73% 0.146 284.9), rgb(159, 153, 255).
Aa
Black text reads best on this color (8.47:1).
About this color
#9F99FF is a medium-light, vivid purple. In OKLCH its lightness is 73%, its chroma 0.146 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.023 away. Black text reads best on it, at 8.47:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.47:1 |
| White text | 2.47:1 |
Values
| HEX | #9F99FF |
| RGB | rgb(159, 153, 255) |
| HSL | hsl(244, 100%, 80%) |
| OKLCH | oklch(73% 0.146 284.9) |
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 #9F99FF | 2.47:1 | Fails | Lc -53.6 | Large or bold text, headings |
| Black text on #9F99FF | 8.47:1 | AAA | Lc 55.4 | Large or bold text, headings |
| #9F99FF text on white | 2.47:1 | Fails | Lc 48.6 | Large or bold text, headings |
| #9F99FF text on black | 8.47:1 | AAA | Lc -53.4 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D5D5FA
oklch(88.5% 0.051 285.3)
-
Step 300
300
#BAB9FA
oklch(81% 0.091 284.9)
-
Step 400
400 (this color)
#9F99FF
oklch(73% 0.146 284.9)
-
Step 500
500
#8173F3
oklch(63.1% 0.185 284.7)
-
Step 600
600
#6D57E2
oklch(55.7% 0.202 285)
-
Step 700
700
#5B46C4
oklch(49.1% 0.187 284.8)
-
Step 800
800
#4A3A9F
oklch(42.6% 0.157 284.8)
-
Step 900
900
#3D347E
oklch(37.8% 0.121 284.6)
-
Step 950
950
#241F4A
oklch(27.1% 0.077 285.3)
#9F99FF 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) | #77A8FF | 0.059 |
| Deuteranopia (no green cones) | #74A1FD | 0.055 |
| Tritanopia (no blue cones) | #84ADC0 | 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°).
- #9F99FF
#9F99FF
oklch(73% 0.146 284.9)
- #B6AC23
#B6AC23
oklch(73% 0.146 105)
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 #9F99FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.023
- Perrywinkle #8F8CE7 ΔE 0.051
- Lavender Blue #8B88F8 ΔE 0.054
- Liliac #C48EFD ΔE 0.058
- Periwinkle #8E82FE ΔE 0.064
- Baby Purple #CA9BF7 ΔE 0.066
- Pastel Purple #CAA0FF ΔE 0.068
- Pale Purple #B790D4 ΔE 0.069
Use #9F99FF 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.