#909FEE
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.2% 0.116 274.9), rgb(144, 159, 238).
Aa
Black text reads best on this color (8.37:1).
About this color
#909FEE is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.116 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.028 away. Black text reads best on it, at 8.37:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.37:1 |
| White text | 2.50:1 |
Values
| HEX | #909FEE |
| RGB | rgb(144, 159, 238) |
| HSL | hsl(230, 73%, 75%) |
| OKLCH | oklch(72.2% 0.116 274.9) |
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 #909FEE | 2.50:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #909FEE | 8.37:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #909FEE text on white | 2.50:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #909FEE text on black | 8.37:1 | AAA | Lc -52.8 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300
#B2BEF0
oklch(81% 0.072 274.2)
-
Step 400
400 (this color)
#909FEE
oklch(72.2% 0.116 274.9)
-
Step 500
500
#707FE2
oklch(63% 0.149 274.8)
-
Step 600
600
#5A66D0
oklch(55.6% 0.162 275)
-
Step 700
700
#4A54B4
oklch(49% 0.151 274.9)
-
Step 800
800
#3D4692
oklch(42.8% 0.124 274.8)
-
Step 900
900
#333B74
oklch(37.6% 0.097 274.7)
-
Step 950
950
#1E2344
oklch(27% 0.061 275)
#909FEE 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) | #84A8F1 | 0.026 |
| Deuteranopia (no green cones) | #7DA0EC | 0.024 |
| Tritanopia (no blue cones) | #73AFBC | 0.103 |
| Achromatopsia (no color) | #A4A4A4 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909FEE
#909FEE
oklch(72.2% 0.116 274.9)
- #BCA447
#BCA447
oklch(72.2% 0.116 94.8)
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 #909FEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.028
- Perrywinkle #8F8CE7 ΔE 0.048
- Cornflower Blue #6495ED ΔE 0.062
- Carolina Blue #8AB8FE ΔE 0.064
- Lavender Blue #8B88F8 ΔE 0.065
- Pale Purple #B790D4 ΔE 0.068
- Periwinkle #8E82FE ΔE 0.082
- Baby Purple #CA9BF7 ΔE 0.085
Use #909FEE 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.