#909BDA
Closest named color: Perrywinkle (#8F8CE7). oklch(70.5% 0.093 276.1), rgb(144, 155, 218).
Aa
Black text reads best on this color (7.88:1).
About this color
#909BDA is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.093 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.048 away. Black text reads best on it, at 7.88:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.88:1 |
| White text | 2.66:1 |
Values
| HEX | #909BDA |
| RGB | rgb(144, 155, 218) |
| HSL | hsl(231, 50%, 71%) |
| OKLCH | oklch(70.5% 0.093 276.1) |
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 #909BDA | 2.66:1 | Fails | Lc -56.9 | Large or bold text, headings |
| Black text on #909BDA | 7.88:1 | AAA | Lc 52.3 | Large or bold text, headings |
| #909BDA text on white | 2.66:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #909BDA text on black | 7.88:1 | AAA | Lc -50.1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EF
oklch(88.5% 0.032 276)
-
Step 300
300
#B6BEE7
oklch(80.9% 0.059 276.4)
-
Step 400
400 (this color)
#909BDA
oklch(70.5% 0.093 276.1)
-
Step 500
500
#7682D1
oklch(63.1% 0.119 275.9)
-
Step 600
600
#606ABE
oklch(55.6% 0.13 276.2)
-
Step 700
700
#4F58A4
oklch(49.1% 0.121 275.9)
-
Step 800
800
#414885
oklch(42.7% 0.101 276.3)
-
Step 900
900
#373D6A
oklch(37.7% 0.077 276.3)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#909BDA 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) | #87A2DD | 0.020 |
| Deuteranopia (no green cones) | #829CD8 | 0.019 |
| Tritanopia (no blue cones) | #7BA7B1 | 0.083 |
| Achromatopsia (no color) | #9F9F9F | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909BDA
#909BDA
oklch(70.5% 0.093 276.1)
- #B1A059
#B1A059
oklch(70.5% 0.094 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 #909BDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.048
- Periwinkle Blue #8F99FB ΔE 0.051
- Pale Purple #B790D4 ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.064
- Cool Gray #8D99AE ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.070
- Greyblue #77A1B5 ΔE 0.072
- Bluegrey #85A3B2 ΔE 0.072
Use #909BDA 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.