#9BB3CB
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.7% 0.044 248.4), rgb(155, 179, 203).
Aa
Black text reads best on this color (9.70:1).
About this color
#9BB3CB is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.044 and its hue 248°. 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 9.70:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.70:1 |
| White text | 2.16:1 |
Values
| HEX | #9BB3CB |
| RGB | rgb(155, 179, 203) |
| HSL | hsl(210, 32%, 70%) |
| OKLCH | oklch(75.7% 0.044 248.4) |
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 #9BB3CB | 2.16:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #9BB3CB | 9.70:1 | AAA | Lc 61.4 | Content text, not long reading |
| #9BB3CB text on white | 2.16:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #9BB3CB 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 400.
-
Step 50
50
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE3
oklch(88.5% 0.015 251.2)
-
Step 300
300
#B3C3D2
oklch(81% 0.028 246.4)
-
Step 400
400 (this color)
#9BB3CB
oklch(75.7% 0.044 248.4)
-
Step 500
500
#6F8DAA
oklch(63.1% 0.056 247.8)
-
Step 600
600
#577796
oklch(55.7% 0.061 248.2)
-
Step 700
700
#476480
oklch(49.2% 0.057 248.2)
-
Step 800
800
#3B5168
oklch(42.7% 0.047 250.1)
-
Step 900
900
#324354
oklch(37.6% 0.037 248.8)
-
Step 950
950
#1E2831
oklch(27.1% 0.022 245.9)
#9BB3CB 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) | #AAB3CC | 0.020 |
| Deuteranopia (no green cones) | #A4AECB | 0.017 |
| Tritanopia (no blue cones) | #8EB8BB | 0.035 |
| Achromatopsia (no color) | #B0B0B0 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9BB3CB
#9BB3CB
oklch(75.7% 0.044 248.4)
- #C3AB93
#C3AB93
oklch(75.6% 0.043 67.1)
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 #9BB3CB, 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
- French Gray #ADB5BD ΔE 0.032
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Cool Steel #97A7B3 ΔE 0.041
- Cloudy Blue #ACC2D9 ΔE 0.048
- Dark Gray #A9A9A9 ΔE 0.049
- Light Steel Blue #B0C4DE ΔE 0.057
- Bluegrey #85A3B2 ΔE 0.060
Use #9BB3CB 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.