#9999FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.6% 0.146 282.1), rgb(153, 153, 255).
Aa
Black text reads best on this color (8.35:1).
About this color
#9999FF is a medium-light, vivid purple. In OKLCH its lightness is 73%, its chroma 0.146 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.015 away. Black text reads best on it, at 8.35:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.35:1 |
| White text | 2.51:1 |
Values
| HEX | #9999FF |
| RGB | rgb(153, 153, 255) |
| HSL | hsl(240, 100%, 80%) |
| OKLCH | oklch(72.6% 0.146 282.1) |
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 #9999FF | 2.51:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #9999FF | 8.35:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #9999FF text on white | 2.51:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #9999FF text on black | 8.35:1 | AAA | Lc -52.8 | 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
#D3D6FB
oklch(88.6% 0.051 281.6)
-
Step 300
300
#B7BAFB
oklch(81% 0.092 282.1)
-
Step 400
400 (this color)
#9999FF
oklch(72.6% 0.146 282.1)
-
Step 500
500
#7C74F5
oklch(63.1% 0.187 282.4)
-
Step 600
600
#6759E4
oklch(55.7% 0.203 282.1)
-
Step 700
700
#5647C6
oklch(49% 0.189 282.2)
-
Step 800
800
#463CA0
oklch(42.7% 0.156 282.1)
-
Step 900
900
#3A357F
oklch(37.8% 0.121 282)
-
Step 950
950
#22204A
oklch(27.1% 0.076 282.2)
#9999FF 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) | #75A7FF | 0.053 |
| Deuteranopia (no green cones) | #70A0FD | 0.051 |
| Tritanopia (no blue cones) | #7BADC0 | 0.126 |
| Achromatopsia (no color) | #A3A3A3 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9999FF
#9999FF
oklch(72.6% 0.146 282.1)
- #B9A91A
#B9A91A
oklch(72.6% 0.147 102.3)
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 #9999FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.015
- Perrywinkle #8F8CE7 ΔE 0.047
- Lavender Blue #8B88F8 ΔE 0.049
- Periwinkle #8E82FE ΔE 0.061
- Liliac #C48EFD ΔE 0.066
- Cornflower Blue #6495ED ΔE 0.073
- Pale Purple #B790D4 ΔE 0.074
- Baby Purple #CA9BF7 ΔE 0.074
Use #9999FF 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.