#9E99FC
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.8% 0.142 284.6), rgb(158, 153, 252).
Aa
Black text reads best on this color (8.41:1).
About this color
#9E99FC is a medium-light, vivid purple. In OKLCH its lightness is 73%, its chroma 0.142 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.021 away. Black text reads best on it, at 8.41:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #9E99FC |
| RGB | rgb(158, 153, 252) |
| HSL | hsl(243, 94%, 79%) |
| OKLCH | oklch(72.8% 0.142 284.6) |
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 #9E99FC | 2.49:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #9E99FC | 8.41:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #9E99FC text on white | 2.49:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #9E99FC 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
#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
#BAB9F8
oklch(80.9% 0.088 285)
-
Step 400
400 (this color)
#9E99FC
oklch(72.8% 0.142 284.6)
-
Step 500
500
#8174F1
oklch(63.2% 0.181 284.7)
-
Step 600
600
#6C59DF
oklch(55.7% 0.196 284.5)
-
Step 700
700
#5B47C2
oklch(49.1% 0.184 284.8)
-
Step 800
800
#4A3C9D
oklch(42.8% 0.151 284.6)
-
Step 900
900
#3D347D
oklch(37.7% 0.119 284.7)
-
Step 950
950
#231F49
oklch(26.9% 0.075 284.4)
#9E99FC 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 | 0.055 |
| Deuteranopia (no green cones) | #75A1FA | 0.053 |
| Tritanopia (no blue cones) | #84ACBE | 0.122 |
| Achromatopsia (no color) | #A4A4A4 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9E99FC
#9E99FC
oklch(72.8% 0.142 284.6)
- #B5AB2A
#B5AB2A
oklch(72.8% 0.142 104.8)
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 #9E99FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.021
- Perrywinkle #8F8CE7 ΔE 0.048
- Lavender Blue #8B88F8 ΔE 0.053
- Liliac #C48EFD ΔE 0.060
- Periwinkle #8E82FE ΔE 0.064
- Pale Purple #B790D4 ΔE 0.066
- Baby Purple #CA9BF7 ΔE 0.067
- Pastel Purple #CAA0FF ΔE 0.069
Use #9E99FC 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.