#9D99FB
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.7% 0.14 284.2), rgb(157, 153, 251).
Aa
Black text reads best on this color (8.38:1).
About this color
#9D99FB is a medium-light, vivid purple. In OKLCH its lightness is 73%, its chroma 0.140 and its hue 284°. 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 8.38:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.38:1 |
| White text | 2.50:1 |
Values
| HEX | #9D99FB |
| RGB | rgb(157, 153, 251) |
| HSL | hsl(242, 92%, 79%) |
| OKLCH | oklch(72.7% 0.14 284.2) |
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 #9D99FB | 2.50:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #9D99FB | 8.38:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #9D99FB text on white | 2.50:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #9D99FB text on black | 8.38:1 | AAA | Lc -52.9 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D5D5F9
oklch(88.4% 0.049 285.3)
-
Step 300
300
#B9B9F8
oklch(80.8% 0.089 284.2)
-
Step 400
400 (this color)
#9D99FB
oklch(72.7% 0.14 284.2)
-
Step 500
500
#8074F0
oklch(63% 0.18 284.4)
-
Step 600
600
#6B59DE
oklch(55.5% 0.195 284.3)
-
Step 700
700
#5A48C1
oklch(49.1% 0.181 284.3)
-
Step 800
800
#493C9C
oklch(42.7% 0.15 284.2)
-
Step 900
900
#3C357C
oklch(37.7% 0.116 283.8)
-
Step 950
950
#232049
oklch(27.1% 0.074 283.6)
#9D99FB 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) | #78A7FF | 0.054 |
| Deuteranopia (no green cones) | #75A1F9 | 0.052 |
| Tritanopia (no blue cones) | #83ACBE | 0.121 |
| Achromatopsia (no color) | #A4A4A4 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9D99FB
#9D99FB
oklch(72.7% 0.14 284.2)
- #B5AA2B
#B5AA2B
oklch(72.6% 0.14 104.2)
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 #9D99FB, 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 0.046
- Lavender Blue #8B88F8 ΔE 0.052
- Liliac #C48EFD ΔE 0.062
- Periwinkle #8E82FE ΔE 0.064
- Pale Purple #B790D4 ΔE 0.066
- Baby Purple #CA9BF7 ΔE 0.068
- Pastel Purple #CAA0FF ΔE 0.071
Use #9D99FB 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.