#B0BBCF
Closest named color: Cloudy Blue (#ACC2D9). oklch(79% 0.031 262.5), rgb(176, 187, 207).
Aa
Black text reads best on this color (10.85:1).
About this color
#B0BBCF is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.031 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.020 away. Black text reads best on it, at 10.85:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.85:1 |
| White text | 1.93:1 |
Values
| HEX | #B0BBCF |
| RGB | rgb(176, 187, 207) |
| HSL | hsl(219, 24%, 75%) |
| OKLCH | oklch(79% 0.031 262.5) |
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 #B0BBCF | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #B0BBCF | 10.85:1 | AAA | Lc 66.8 | Content text, not long reading |
| #B0BBCF text on white | 1.93:1 | Fails | Lc 37.1 | Non-text elements, placeholder text |
| #B0BBCF text on black | 10.85:1 | AAA | Lc -65.3 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300 (this color)
#B0BBCF
oklch(79% 0.031 262.5)
-
Step 400
400
#90A1C0
oklch(70.6% 0.049 262.4)
-
Step 500
500
#758AB0
oklch(63.1% 0.062 262.1)
-
Step 600
600
#5E739C
oklch(55.5% 0.069 263.3)
-
Step 700
700
#4D6185
oklch(49.1% 0.063 261.9)
-
Step 800
800
#3F4F6C
oklch(42.7% 0.053 262)
-
Step 900
900
#364258
oklch(37.8% 0.041 262.3)
-
Step 950
950
#202733
oklch(27.1% 0.025 261.1)
#B0BBCF 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) | #B5BCD0 | 0.008 |
| Deuteranopia (no green cones) | #B2B9CF | 0.006 |
| Tritanopia (no blue cones) | #A9BFC1 | 0.028 |
| Achromatopsia (no color) | #BABABA | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0BBCF
#B0BBCF
oklch(79% 0.031 262.5)
- #C4B9A5
#C4B9A5
oklch(78.9% 0.03 82.6)
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 #B0BBCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.020
- Light Grey Blue #9DBCD4 ΔE 0.024
- French Gray #ADB5BD ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.032
- Silver #C0C0C0 ΔE 0.036
- Light Blue Grey #B7C9E2 ΔE 0.042
- Thistle #D8BFD8 ΔE 0.060
Use #B0BBCF 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.