#909BED
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.4% 0.12 277.1), rgb(144, 155, 237).
Aa
Black text reads best on this color (8.09:1).
About this color
#909BED is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.120 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.023 away. Black text reads best on it, at 8.09:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.09:1 |
| White text | 2.59:1 |
Values
| HEX | #909BED |
| RGB | rgb(144, 155, 237) |
| HSL | hsl(233, 72%, 75%) |
| OKLCH | oklch(71.4% 0.12 277.1) |
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 #909BED | 2.59:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #909BED | 8.09:1 | AAA | Lc 53.4 | Large or bold text, headings |
| #909BED text on white | 2.59:1 | Fails | Lc 50.6 | Large or bold text, headings |
| #909BED text on black | 8.09:1 | AAA | Lc -51.3 | 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
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F5
oklch(88.5% 0.042 278)
-
Step 300
300
#B4BDF1
oklch(80.9% 0.074 277)
-
Step 400
400 (this color)
#909BED
oklch(71.4% 0.12 277.1)
-
Step 500
500
#747DE4
oklch(63.1% 0.153 277.3)
-
Step 600
600
#5E64D2
oklch(55.6% 0.166 277.2)
-
Step 700
700
#4E52B6
oklch(49.1% 0.155 277.3)
-
Step 800
800
#3F4493
oklch(42.7% 0.128 276.8)
-
Step 900
900
#353A75
oklch(37.6% 0.1 276.8)
-
Step 950
950
#1F2245
oklch(26.9% 0.064 277.4)
#909BED 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) | #7FA4F0 | 0.029 |
| Deuteranopia (no green cones) | #799DEB | 0.029 |
| Tritanopia (no blue cones) | #74ABB9 | 0.106 |
| Achromatopsia (no color) | #A1A1A1 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909BED
#909BED
oklch(71.4% 0.12 277.1)
- #B8A340
#B8A340
oklch(71.5% 0.12 97.2)
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 #909BED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.023
- Perrywinkle #8F8CE7 ΔE 0.038
- Lavender Blue #8B88F8 ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.057
- Pale Purple #B790D4 ΔE 0.066
- Periwinkle #8E82FE ΔE 0.073
- Carolina Blue #8AB8FE ΔE 0.074
- Soft Blue #6488EA ΔE 0.079
Use #909BED 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.