#9D99EF
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.1% 0.124 285), rgb(157, 153, 239).
Aa
Black text reads best on this color (8.23:1).
About this color
#9D99EF is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.124 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.025 away. Black text reads best on it, at 8.23:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.23:1 |
| White text | 2.54:1 |
Values
| HEX | #9D99EF |
| RGB | rgb(157, 153, 239) |
| HSL | hsl(243, 73%, 77%) |
| OKLCH | oklch(72.1% 0.124 285) |
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 #9D99EF | 2.54:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #9D99EF | 8.23:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #9D99EF text on white | 2.54:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #9D99EF text on black | 8.23:1 | AAA | Lc -52.1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D5D6F5
oklch(88.5% 0.042 284)
-
Step 300
300
#BBBAF1
oklch(80.9% 0.077 285.4)
-
Step 400
400 (this color)
#9D99EF
oklch(72.1% 0.124 285)
-
Step 500
500
#8278E4
oklch(63.2% 0.158 285.1)
-
Step 600
600
#6C5ED2
oklch(55.6% 0.172 284.8)
-
Step 700
700
#5B4DB6
oklch(49.2% 0.16 285)
-
Step 800
800
#4A4093
oklch(42.8% 0.132 284.8)
-
Step 900
900
#3D3775
oklch(37.7% 0.103 284.7)
-
Step 950
950
#242145
oklch(27.1% 0.065 285)
#9D99EF 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) | #7EA5F2 | 0.046 |
| Deuteranopia (no green cones) | #7CA0ED | 0.045 |
| Tritanopia (no blue cones) | #88A9B9 | 0.106 |
| Achromatopsia (no color) | #A2A2A2 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9D99EF
#9D99EF
oklch(72.1% 0.124 285)
- #B1A942
#B1A942
oklch(72.2% 0.124 104.9)
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 #9D99EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.025
- Perrywinkle #8F8CE7 ΔE 0.041
- Pale Purple #B790D4 ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.056
- Liliac #C48EFD ΔE 0.067
- Baby Purple #CA9BF7 ΔE 0.069
- Periwinkle #8E82FE ΔE 0.071
- Cornflower Blue #6495ED ΔE 0.073
Use #9D99EF 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.