#9BB4CF
Closest named color: Light Grey Blue (#9DBCD4). oklch(76% 0.048 250.5), rgb(155, 180, 207).
Aa
Black text reads best on this color (9.82:1).
About this color
#9BB4CF is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.048 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.021 away. Black text reads best on it, at 9.82:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.82:1 |
| White text | 2.13:1 |
Values
| HEX | #9BB4CF |
| RGB | rgb(155, 180, 207) |
| HSL | hsl(211, 35%, 71%) |
| OKLCH | oklch(76% 0.048 250.5) |
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 #9BB4CF | 2.13:1 | Fails | Lc -46.6 | Large or bold text, headings |
| Black text on #9BB4CF | 9.82:1 | AAA | Lc 62.0 | Content text, not long reading |
| #9BB4CF text on white | 2.13:1 | Fails | Lc 41.9 | Non-text elements, placeholder text |
| #9BB4CF text on black | 9.82:1 | AAA | Lc -60.3 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CDDBEA
oklch(88.5% 0.026 250)
-
Step 300
300 (this color)
#9BB4CF
oklch(76% 0.048 250.5)
-
Step 400
400
#7DA4CF
oklch(70.6% 0.076 251.4)
-
Step 500
500
#5A8DC2
oklch(63% 0.097 250.5)
-
Step 600
600
#3F77AF
oklch(55.7% 0.106 250.3)
-
Step 700
700
#316496
oklch(49.2% 0.098 250)
-
Step 800
800
#29517A
oklch(42.6% 0.082 250.8)
-
Step 900
900
#264462
oklch(37.8% 0.063 249.8)
-
Step 950
950
#172839
oklch(27.1% 0.039 249.5)
#9BB4CF 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) | #AAB4D0 | 0.020 |
| Deuteranopia (no green cones) | #A4AFCE | 0.016 |
| Tritanopia (no blue cones) | #8DBABD | 0.040 |
| Achromatopsia (no color) | #B1B1B1 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9BB4CF
#9BB4CF
oklch(76% 0.048 250.5)
- #C5AD91
#C5AD91
oklch(76.1% 0.048 71.3)
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 #9BB4CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.021
- Light Cornflower Blue #98C1D9 ΔE 0.034
- French Gray #ADB5BD ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.045
- Cool Steel #97A7B3 ΔE 0.047
- Light Steel Blue #B0C4DE ΔE 0.054
- Dark Gray #A9A9A9 ΔE 0.054
- Bluegrey #85A3B2 ΔE 0.065
Use #9BB4CF 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.