#9BB5DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.7% 0.062 257.8), rgb(155, 181, 219).
Aa
Black text reads best on this color (10.02:1).
About this color
#9BB5DB is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.062 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.025 away. Black text reads best on it, at 10.02:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.02:1 |
| White text | 2.09:1 |
Values
| HEX | #9BB5DB |
| RGB | rgb(155, 181, 219) |
| HSL | hsl(216, 47%, 73%) |
| OKLCH | oklch(76.7% 0.062 257.8) |
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 #9BB5DB | 2.09:1 | Fails | Lc -45.6 | Large or bold text, headings |
| Black text on #9BB5DB | 10.02:1 | AAA | Lc 63.0 | Content text, not long reading |
| #9BB5DB text on white | 2.09:1 | Fails | Lc 41.0 | Non-text elements, placeholder text |
| #9BB5DB text on black | 10.02:1 | AAA | Lc -61.3 | 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
#E3EBF6
oklch(93.7% 0.017 256.3)
-
Step 200
200
#CBDAF0
oklch(88.4% 0.034 257.9)
-
Step 300
300 (this color)
#9BB5DB
oklch(76.7% 0.062 257.8)
-
Step 400
400
#79A2DE
oklch(70.6% 0.099 257.8)
-
Step 500
500
#578AD5
oklch(63.1% 0.126 257.9)
-
Step 600
600
#3B72C2
oklch(55.5% 0.138 257.9)
-
Step 700
700
#2D60A8
oklch(49.2% 0.128 257.5)
-
Step 800
800
#274E88
oklch(42.7% 0.106 258.3)
-
Step 900
900
#24426D
oklch(37.8% 0.082 257.5)
-
Step 950
950
#162740
oklch(27.2% 0.052 257.9)
#9BB5DB 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) | #A8B7DD | 0.018 |
| Deuteranopia (no green cones) | #A1B0DA | 0.014 |
| Tritanopia (no blue cones) | #89BDC1 | 0.055 |
| Achromatopsia (no color) | #B3B3B3 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9BB5DB
#9BB5DB
oklch(76.7% 0.062 257.8)
- #C9AF87
#C9AF87
oklch(76.7% 0.062 78.3)
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 #9BB5DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.025
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.044
- French Gray #ADB5BD ΔE 0.048
- Light Steel Blue #B0C4DE ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.052
- Pastel Blue #A2BFFE ΔE 0.053
- Lightblue #7BC8F6 ΔE 0.059
Use #9BB5DB 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.