#9BBBDD
Closest named color: Light Grey Blue (#9DBCD4). oklch(78% 0.06 250.2), rgb(155, 187, 221).
Aa
Black text reads best on this color (10.54:1).
About this color
#9BBBDD is a light, muted blue. In OKLCH its lightness is 78%, its chroma 0.060 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.014 away. Black text reads best on it, at 10.54:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.54:1 |
| White text | 1.99:1 |
Values
| HEX | #9BBBDD |
| RGB | rgb(155, 187, 221) |
| HSL | hsl(211, 49%, 74%) |
| OKLCH | oklch(78% 0.06 250.2) |
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 #9BBBDD | 1.99:1 | Fails | Lc -42.9 | Non-text elements, placeholder text |
| Black text on #9BBBDD | 10.54:1 | AAA | Lc 65.4 | Content text, not long reading |
| #9BBBDD text on white | 1.99:1 | Fails | Lc 38.5 | Non-text elements, placeholder text |
| #9BBBDD text on black | 10.54:1 | AAA | Lc -63.9 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300 (this color)
#9BBBDD
oklch(78% 0.06 250.2)
-
Step 400
400
#72A5DA
oklch(70.7% 0.095 250.2)
-
Step 500
500
#4A8ED0
oklch(63.2% 0.122 249.7)
-
Step 600
600
#2976BE
oklch(55.5% 0.134 250.5)
-
Step 700
700
#1B63A3
oklch(49% 0.123 250.1)
-
Step 800
800
#195184
oklch(42.6% 0.102 250)
-
Step 900
900
#1C446A
oklch(37.8% 0.079 249.7)
-
Step 950
950
#11283E
oklch(27% 0.05 249.3)
#9BBBDD 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) | #AEBCDF | 0.025 |
| Deuteranopia (no green cones) | #A6B5DC | 0.020 |
| Tritanopia (no blue cones) | #87C3C6 | 0.052 |
| Achromatopsia (no color) | #B8B8B8 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9BBBDD
#9BBBDD
oklch(78% 0.06 250.2)
- #D1B18E
#D1B18E
oklch(78% 0.06 69.3)
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 #9BBBDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.014
- Light Cornflower Blue #98C1D9 ΔE 0.019
- Cloudy Blue #ACC2D9 ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.038
- French Gray #ADB5BD ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.048
- Lightblue #7BC8F6 ΔE 0.049
- Sky Blue #87CEEB ΔE 0.051
Use #9BBBDD 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.