#9BBBDB
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.9% 0.058 248.6), rgb(155, 187, 219).
Aa
Black text reads best on this color (10.52:1).
About this color
#9BBBDB is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.058 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.012 away. Black text reads best on it, at 10.52:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.52:1 |
| White text | 1.99:1 |
Values
| HEX | #9BBBDB |
| RGB | rgb(155, 187, 219) |
| HSL | hsl(210, 47%, 73%) |
| OKLCH | oklch(77.9% 0.058 248.6) |
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 #9BBBDB | 1.99:1 | Fails | Lc -43.0 | Non-text elements, placeholder text |
| Black text on #9BBBDB | 10.52:1 | AAA | Lc 65.3 | Content text, not long reading |
| #9BBBDB text on white | 1.99:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #9BBBDB text on black | 10.52:1 | AAA | Lc -63.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DBEE
oklch(88.4% 0.033 249.6)
-
Step 300
300 (this color)
#9BBBDB
oklch(77.9% 0.058 248.6)
-
Step 400
400
#72A6D8
oklch(70.8% 0.092 248.3)
-
Step 500
500
#4A8ECD
oklch(63% 0.118 248.6)
-
Step 600
600
#2977BA
oklch(55.5% 0.128 248.6)
-
Step 700
700
#1B64A0
oklch(49.1% 0.118 248.4)
-
Step 800
800
#1A5282
oklch(42.8% 0.098 248.5)
-
Step 900
900
#1C4468
oklch(37.7% 0.077 248.4)
-
Step 950
950
#12283D
oklch(27% 0.048 249)
#9BBBDB 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) | #AFBBDD | 0.026 |
| Deuteranopia (no green cones) | #A7B5DA | 0.020 |
| Tritanopia (no blue cones) | #88C2C5 | 0.048 |
| Achromatopsia (no color) | #B7B7B7 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9BBBDB
#9BBBDB
oklch(77.9% 0.058 248.6)
- #D0B190
#D0B190
oklch(77.9% 0.057 68.6)
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 #9BBBDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.012
- Light Cornflower Blue #98C1D9 ΔE 0.018
- Cloudy Blue #ACC2D9 ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.038
- French Gray #ADB5BD ΔE 0.044
- Lightblue #7BC8F6 ΔE 0.050
- Sky Blue #87CEEB ΔE 0.051
- Pastel Blue #A2BFFE ΔE 0.051
Use #9BBBDB 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.