#9BB1DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.8% 0.065 263.2), rgb(155, 177, 219).
Aa
Black text reads best on this color (9.70:1).
About this color
#9BB1DB is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.065 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.035 away. Black text reads best on it, at 9.70:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.70:1 |
| White text | 2.16:1 |
Values
| HEX | #9BB1DB |
| RGB | rgb(155, 177, 219) |
| HSL | hsl(219, 47%, 73%) |
| OKLCH | oklch(75.8% 0.065 263.2) |
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 #9BB1DB | 2.16:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #9BB1DB | 9.70:1 | AAA | Lc 61.4 | Content text, not long reading |
| #9BB1DB text on white | 2.16:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #9BB1DB text on black | 9.70:1 | AAA | Lc -59.7 | Large or bold text, headings |
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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CDDAF2
oklch(88.6% 0.036 262.8)
-
Step 300
300 (this color)
#9BB1DB
oklch(75.8% 0.065 263.2)
-
Step 400
400
#7EA0E2
oklch(70.7% 0.104 263.1)
-
Step 500
500
#5E87DA
oklch(63.1% 0.134 263.2)
-
Step 600
600
#456FC8
oklch(55.7% 0.146 263.4)
-
Step 700
700
#365CAC
oklch(49% 0.135 263.2)
-
Step 800
800
#2D4C8C
oklch(42.8% 0.112 263)
-
Step 900
900
#284070
oklch(37.8% 0.088 262.8)
-
Step 950
950
#182641
oklch(27.1% 0.054 262.5)
#9BB1DB 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) | #A3B3DD | 0.012 |
| Deuteranopia (no green cones) | #9DAEDA | 0.008 |
| Tritanopia (no blue cones) | #89BABF | 0.059 |
| Achromatopsia (no color) | #B0B0B0 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9BB1DB
#9BB1DB
oklch(75.8% 0.065 263.2)
- #C5AD81
#C5AD81
oklch(75.8% 0.065 82.4)
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 #9BB1DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.045
- Carolina Blue #8AB8FE ΔE 0.051
- French Gray #ADB5BD ΔE 0.053
- Cloudy Blue #ACC2D9 ΔE 0.054
- Pastel Blue #A2BFFE ΔE 0.056
- Cool Steel #97A7B3 ΔE 0.058
- Light Steel Blue #B0C4DE ΔE 0.060
Use #9BB1DB 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.