#9BB9FB
Closest named color: Pastel Blue (#A2BFFE). oklch(78.8% 0.1 265.3), rgb(155, 185, 251).
Aa
Black text reads best on this color (10.72:1).
About this color
#9BB9FB is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.100 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.019 away. Black text reads best on it, at 10.72:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.72:1 |
| White text | 1.95:1 |
Values
| HEX | #9BB9FB |
| RGB | rgb(155, 185, 251) |
| HSL | hsl(221, 92%, 80%) |
| OKLCH | oklch(78.8% 0.1 265.3) |
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 #9BB9FB | 1.95:1 | Fails | Lc -42.0 | Non-text elements, placeholder text |
| Black text on #9BB9FB | 10.72:1 | AAA | Lc 66.3 | Content text, not long reading |
| #9BB9FB text on white | 1.95:1 | Fails | Lc 37.6 | Non-text elements, placeholder text |
| #9BB9FB text on black | 10.72:1 | AAA | Lc -64.8 | Content text, not long reading |
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 300.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E1EAFE
oklch(93.6% 0.029 266.4)
-
Step 200
200
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300 (this color)
#9BB9FB
oklch(78.8% 0.1 265.3)
-
Step 400
400
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4E7FFF
oklch(63% 0.198 265.3)
-
Step 600
600
#3263F3
oklch(55.7% 0.222 265.2)
-
Step 700
700
#2650D4
oklch(49.1% 0.208 265.4)
-
Step 800
800
#2043AB
oklch(42.7% 0.171 265.3)
-
Step 900
900
#1E3A87
oklch(37.6% 0.133 265.3)
-
Step 950
950
#12234F
oklch(27% 0.084 265.3)
#9BB9FB 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) | #A2BEFE | 0.017 |
| Deuteranopia (no green cones) | #99B5F9 | 0.011 |
| Tritanopia (no blue cones) | #7CC7D0 | 0.090 |
| Achromatopsia (no color) | #B9B9B9 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9BB9FB
#9BB9FB
oklch(78.8% 0.1 265.3)
- #D7B56C
#D7B56C
oklch(78.7% 0.1 85.2)
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 #9BB9FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.019
- Carolina Blue #8AB8FE ΔE 0.021
- Sky #82CAFC ΔE 0.049
- Lightblue #7BC8F6 ΔE 0.052
- Light Sky Blue #87CEFA ΔE 0.058
- Baby Blue #A2CFFE ΔE 0.059
- Light Grey Blue #9DBCD4 ΔE 0.060
- Light Cornflower Blue #98C1D9 ΔE 0.060
Use #9BB9FB 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.