#9399EF
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.3% 0.125 279.7), rgb(147, 153, 239).
Aa
Black text reads best on this color (8.04:1).
About this color
#9399EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.125 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.018 away. Black text reads best on it, at 8.04:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.04:1 |
| White text | 2.61:1 |
Values
| HEX | #9399EF |
| RGB | rgb(147, 153, 239) |
| HSL | hsl(236, 74%, 76%) |
| OKLCH | oklch(71.3% 0.125 279.7) |
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 #9399EF | 2.61:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #9399EF | 8.04:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #9399EF text on white | 2.61:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #9399EF text on black | 8.04:1 | AAA | Lc -51.0 | 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
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F6
oklch(88.6% 0.043 279.7)
-
Step 300
300
#B6BCF3
oklch(81% 0.078 279.7)
-
Step 400
400 (this color)
#9399EF
oklch(71.3% 0.125 279.7)
-
Step 500
500
#787BE7
oklch(63.1% 0.159 279.6)
-
Step 600
600
#6261D5
oklch(55.5% 0.174 279.5)
-
Step 700
700
#5250B9
oklch(49.2% 0.161 279.5)
-
Step 800
800
#434295
oklch(42.7% 0.133 279.7)
-
Step 900
900
#383977
oklch(37.8% 0.103 279.5)
-
Step 950
950
#212246
oklch(27.2% 0.066 279.9)
#9399EF 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) | #7CA4F2 | 0.037 |
| Deuteranopia (no green cones) | #779DED | 0.036 |
| Tritanopia (no blue cones) | #78AAB9 | 0.110 |
| Achromatopsia (no color) | #A0A0A0 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9399EF
#9399EF
oklch(71.3% 0.125 279.7)
- #B5A43A
#B5A43A
oklch(71.4% 0.125 100.1)
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 #9399EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.018
- Perrywinkle #8F8CE7 ΔE 0.034
- Lavender Blue #8B88F8 ΔE 0.050
- Cornflower Blue #6495ED ΔE 0.060
- Pale Purple #B790D4 ΔE 0.063
- Periwinkle #8E82FE ΔE 0.067
- Carolina Blue #8AB8FE ΔE 0.078
- Soft Blue #6488EA ΔE 0.079
Use #9399EF 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.