#9BB9FF
Closest named color: Pastel Blue (#A2BFFE). oklch(79% 0.106 266.2), rgb(155, 185, 255).
Aa
Black text reads best on this color (10.77:1).
About this color
#9BB9FF is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.106 and its hue 266°. 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 10.77:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.77:1 |
| White text | 1.94:1 |
Values
| HEX | #9BB9FF |
| RGB | rgb(155, 185, 255) |
| HSL | hsl(222, 100%, 80%) |
| OKLCH | oklch(79% 0.106 266.2) |
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 #9BB9FF | 1.94:1 | Fails | Lc -41.7 | Non-text elements, placeholder text |
| Black text on #9BB9FF | 10.77:1 | AAA | Lc 66.5 | Content text, not long reading |
| #9BB9FF text on white | 1.94:1 | Fails | Lc 37.4 | Non-text elements, placeholder text |
| #9BB9FF text on black | 10.77:1 | AAA | Lc -65.0 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300 (this color)
#9BB9FF
oklch(79% 0.106 266.2)
-
Step 400
400
#749CFF
oklch(70.8% 0.152 266)
-
Step 500
500
#517FFF
oklch(63.2% 0.197 266)
-
Step 600
600
#335FFA
oklch(55.6% 0.235 266.2)
-
Step 700
700
#274DDA
oklch(49.1% 0.219 266.2)
-
Step 800
800
#2140B0
oklch(42.6% 0.181 266.4)
-
Step 900
900
#1E398B
oklch(37.8% 0.14 265.9)
-
Step 950
950
#122251
oklch(27% 0.089 266.3)
#9BB9FF 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) | #A1BFFF | 0.018 |
| Deuteranopia (no green cones) | #97B6FD | 0.010 |
| Tritanopia (no blue cones) | #7AC7D1 | 0.095 |
| Achromatopsia (no color) | #BABABA | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9BB9FF
#9BB9FF
oklch(79% 0.106 266.2)
- #D9B667
#D9B667
oklch(79.1% 0.106 86.1)
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 #9BB9FF, 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 0.020
- Sky #82CAFC ΔE 0.051
- Lightblue #7BC8F6 ΔE 0.055
- Light Sky Blue #87CEFA ΔE 0.060
- Baby Blue #A2CFFE ΔE 0.061
- Light Periwinkle #C1C6FC ΔE 0.063
- Light Cornflower Blue #98C1D9 ΔE 0.066
Use #9BB9FF 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.