#9399EB
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.1% 0.119 279.7), rgb(147, 153, 235).
Aa
Black text reads best on this color (7.99:1).
About this color
#9399EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.119 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.024 away. Black text reads best on it, at 7.99:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.99:1 |
| White text | 2.62:1 |
Values
| HEX | #9399EB |
| RGB | rgb(147, 153, 235) |
| HSL | hsl(236, 69%, 75%) |
| OKLCH | oklch(71.1% 0.119 279.7) |
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 #9399EB | 2.62:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #9399EB | 7.99:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #9399EB text on white | 2.62:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #9399EB text on black | 7.99:1 | AAA | Lc -50.8 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F5
oklch(88.5% 0.041 279.5)
-
Step 300
300
#B6BCF1
oklch(80.9% 0.075 279.5)
-
Step 400
400 (this color)
#9399EB
oklch(71.1% 0.119 279.7)
-
Step 500
500
#797CE3
oklch(63.2% 0.152 279.8)
-
Step 600
600
#6363D1
oklch(55.7% 0.165 279.6)
-
Step 700
700
#5251B5
oklch(49.1% 0.154 279.5)
-
Step 800
800
#434392
oklch(42.7% 0.127 279.6)
-
Step 900
900
#383975
oklch(37.7% 0.1 279.7)
-
Step 950
950
#212244
oklch(27% 0.062 280.1)
#9399EB 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) | #7EA3EE | 0.034 |
| Deuteranopia (no green cones) | #799DE9 | 0.034 |
| Tritanopia (no blue cones) | #7AA9B7 | 0.105 |
| Achromatopsia (no color) | #A0A0A0 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9399EB
#9399EB
oklch(71.1% 0.119 279.7)
- #B4A341
#B4A341
oklch(71.1% 0.119 99.5)
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 #9399EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.024
- Perrywinkle #8F8CE7 ΔE 0.034
- Lavender Blue #8B88F8 ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.059
- Pale Purple #B790D4 ΔE 0.060
- Periwinkle #8E82FE ΔE 0.070
- Carolina Blue #8AB8FE ΔE 0.079
- Soft Blue #6488EA ΔE 0.079
Use #9399EB 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.