#909EFD
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.8% 0.138 276), rgb(144, 158, 253).
Aa
Black text reads best on this color (8.49:1).
About this color
#909EFD is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.138 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.013 away. Black text reads best on it, at 8.49:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.49:1 |
| White text | 2.47:1 |
Values
| HEX | #909EFD |
| RGB | rgb(144, 158, 253) |
| HSL | hsl(232, 96%, 78%) |
| OKLCH | oklch(72.8% 0.138 276) |
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 #909EFD | 2.47:1 | Fails | Lc -53.5 | Large or bold text, headings |
| Black text on #909EFD | 8.49:1 | AAA | Lc 55.5 | Large or bold text, headings |
| #909EFD text on white | 2.47:1 | Fails | Lc 48.5 | Large or bold text, headings |
| #909EFD text on black | 8.49:1 | AAA | Lc -53.5 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7FA
oklch(88.5% 0.049 276.4)
-
Step 300
300
#B1BCF9
oklch(80.8% 0.087 276.4)
-
Step 400
400 (this color)
#909EFD
oklch(72.8% 0.138 276)
-
Step 500
500
#6F7AF2
oklch(63% 0.177 276.1)
-
Step 600
600
#5A60E1
oklch(55.7% 0.193 276.2)
-
Step 700
700
#4A4EC3
oklch(49.1% 0.179 276.1)
-
Step 800
800
#3C419E
oklch(42.7% 0.148 275.8)
-
Step 900
900
#33387D
oklch(37.7% 0.115 276.2)
-
Step 950
950
#1E2249
oklch(27.1% 0.072 276.1)
#909EFD 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) | #7CA9FF | 0.034 |
| Deuteranopia (no green cones) | #73A1FB | 0.035 |
| Tritanopia (no blue cones) | #6BB1C1 | 0.123 |
| Achromatopsia (no color) | #A5A5A5 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909EFD
#909EFD
oklch(72.8% 0.138 276)
- #C1A628
#C1A628
oklch(72.8% 0.139 96.2)
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 #909EFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.013
- Perrywinkle #8F8CE7 ΔE 0.051
- Lavender Blue #8B88F8 ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.064
- Carolina Blue #8AB8FE ΔE 0.067
- Periwinkle #8E82FE ΔE 0.071
- Pale Purple #B790D4 ΔE 0.079
- Liliac #C48EFD ΔE 0.081
Use #909EFD 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.