#909FE2
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.7% 0.099 274), rgb(144, 159, 226).
Aa
Black text reads best on this color (8.24:1).
About this color
#909FE2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.099 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.044 away. Black text reads best on it, at 8.24:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.24:1 |
| White text | 2.54:1 |
Values
| HEX | #909FE2 |
| RGB | rgb(144, 159, 226) |
| HSL | hsl(229, 59%, 73%) |
| OKLCH | oklch(71.7% 0.099 274) |
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 #909FE2 | 2.54:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #909FE2 | 8.24:1 | AAA | Lc 54.2 | Large or bold text, headings |
| #909FE2 text on white | 2.54:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #909FE2 text on black | 8.24:1 | AAA | Lc -52.1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D2D8F1
oklch(88.5% 0.035 274.9)
-
Step 300
300
#B4BEEA
oklch(80.9% 0.063 274.9)
-
Step 400
400 (this color)
#909FE2
oklch(71.7% 0.099 274)
-
Step 500
500
#7282D6
oklch(63.1% 0.128 274)
-
Step 600
600
#5B6AC3
oklch(55.6% 0.138 273.9)
-
Step 700
700
#4B58A8
oklch(49.1% 0.128 273.8)
-
Step 800
800
#3E4888
oklch(42.6% 0.106 274.3)
-
Step 900
900
#343D6D
oklch(37.7% 0.083 273.8)
-
Step 950
950
#1F2440
oklch(27% 0.052 274.7)
#909FE2 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) | #89A6E5 | 0.019 |
| Deuteranopia (no green cones) | #839FE0 | 0.017 |
| Tritanopia (no blue cones) | #78ACB7 | 0.088 |
| Achromatopsia (no color) | #A2A2A2 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909FE2
#909FE2
oklch(71.7% 0.099 274)
- #B8A357
#B8A357
oklch(71.8% 0.1 94.3)
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 #909FE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.044
- Perrywinkle #8F8CE7 ΔE 0.052
- Pale Purple #B790D4 ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.065
- Carolina Blue #8AB8FE ΔE 0.068
- Lavender Blue #8B88F8 ΔE 0.075
- Cool Gray #8D99AE ΔE 0.076
- Bluey Grey #89A0B0 ΔE 0.077
Use #909FE2 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.