#9BB4CC
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.9% 0.044 247.3), rgb(155, 180, 204).
Aa
Black text reads best on this color (9.79:1).
About this color
#9BB4CC is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.044 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.022 away. Black text reads best on it, at 9.79:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.79:1 |
| White text | 2.14:1 |
Values
| HEX | #9BB4CC |
| RGB | rgb(155, 180, 204) |
| HSL | hsl(209, 32%, 70%) |
| OKLCH | oklch(75.9% 0.044 247.3) |
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 #9BB4CC | 2.14:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #9BB4CC | 9.79:1 | AAA | Lc 61.9 | Content text, not long reading |
| #9BB4CC text on white | 2.14:1 | Fails | Lc 42.1 | Non-text elements, placeholder text |
| #9BB4CC text on black | 9.79:1 | AAA | Lc -60.1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300 (this color)
#9BB4CC
oklch(75.9% 0.044 247.3)
-
Step 400
400
#7DA5CB
oklch(70.7% 0.071 247.6)
-
Step 500
500
#5B8EBE
oklch(63.1% 0.091 248)
-
Step 600
600
#3F78AA
oklch(55.6% 0.099 247.1)
-
Step 700
700
#316592
oklch(49.2% 0.091 247.1)
-
Step 800
800
#2A5276
oklch(42.7% 0.075 247.7)
-
Step 900
900
#26445F
oklch(37.6% 0.059 247.2)
-
Step 950
950
#172838
oklch(27% 0.038 247.9)
#9BB4CC 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) | #ABB4CD | 0.021 |
| Deuteranopia (no green cones) | #A5AFCC | 0.018 |
| Tritanopia (no blue cones) | #8EBABC | 0.037 |
| Achromatopsia (no color) | #B1B1B1 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9BB4CC
#9BB4CC
oklch(75.9% 0.044 247.3)
- #C4AC93
#C4AC93
oklch(75.9% 0.044 68.2)
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 #9BB4CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.022
- French Gray #ADB5BD ΔE 0.031
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Cool Steel #97A7B3 ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.046
- Dark Gray #A9A9A9 ΔE 0.050
- Light Steel Blue #B0C4DE ΔE 0.055
- Pewter #96A8A1 ΔE 0.063
Use #9BB4CC 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.